List of infectious diseases
Encyclopedia

List of infectious diseases in Humans

Infectious Disease Causative Agent
Acinetobacter
Acinetobacter
Acinetobacter [asz−in−ée−toe–back−ter] is a genus of Gram-negative bacteria belonging to the Gammaproteobacteria. Acinetobacter species are non-motile and oxidase-negative, and occur in pairs under magnification....

infections
Acinetobacter baumannii
Acinetobacter baumannii
Acinetobacter baumannii is a species of pathogenic bacteria, referred to as an aerobic gram-negative bacterium, that is resistant to most antibiotics. As a result of its resistance to drug treatment, some estimates state the disease is killing tens of thousands of U.S...

Actinomycosis
Actinomycosis
Actinomycosis is an infectious bacterial disease caused by Actinomyces species such as Actinomyces israelii or A. gerencseriae. It can also be caused by Propionibacterium propionicus, and the condition is likely to be polymicrobial aerobic anaerobic infection.Actinomycosis occurs rarely in humans...

Actinomyces israelii
Actinomyces israelii
Actinomyces israelii is a species of Actinomyces.Actinomycosis is most frequently caused by Actinomyces israelii and is sometimes known as the "most misdiagnosed disease," as it is frequently confused with neoplasms. A. israelii is a normal colonizer of the vagina, colon, and mouth...

, Actinomyces gerencseriae and Propionibacterium propionicus
Propionibacterium propionicus
Propionibacterium propionicus is a Gram positive, aerotolerant anaerobic species of Propionibacterium, found as part of the normal human oral flora....

African sleeping sickness (African trypanosomiasis) Trypanosoma brucei
Trypanosoma brucei
Trypanosoma brucei is a parasitic protist species that causes African trypanosomiasis in humans and nagana in animals in Africa. There are 3 sub-species of T. brucei: T. b. brucei, T. b. gambiense and T. b. rhodesiense.These obligate parasites have two hosts - an insect vector and mammalian host...

AIDS (Acquired immune deficiency syndrome)]] HIV (Human immunodeficiency virus)
HIV
Human immunodeficiency virus is a lentivirus that causes acquired immunodeficiency syndrome , a condition in humans in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive...

Amebiasis Entamoeba histolytica
Entamoeba histolytica
Entamoeba histolytica is an anaerobic parasitic protozoan, part of the genus Entamoeba. Predominantly infecting humans and other primates, E. histolytica is estimated to infect about 50 million people worldwide...

Amoebic dysentery
Amoebic dysentery
Amoebic dysentery is a type of dysentery caused primarily by the amoeba Entamoeba histolytica. Amoebic dysentery is transmitted through contaminated food and water. Amoebae spread by forming infective cysts which can be found in stools, and spread if whoever touches them does not sanitize their...

Anaplasmosis
Anaplasmosis
Anaplasmosis is a disease caused by a rickettsial parasite of ruminants, Anaplasma spp. The organism occurs in the white blood cells and is transmitted by natural means through a number of haematophagous species of ticks...


> Anaplasma
Anaplasma
Anaplasma is a genus of rickettsiales bacteria.Anaplasmas reside in host red blood cells and lead to the disease anaplasmosis. The disease most commonly occurs in tropical areas of the world....

genus
Anthrax
Anthrax
Anthrax is an acute disease caused by the bacterium Bacillus anthracis. Most forms of the disease are lethal, and it affects both humans and other animals...

Bacillus anthracis
Bacillus anthracis
Bacillus anthracis is the pathogen of the Anthrax acute disease. It is a Gram-positive, spore-forming, rod-shaped bacterium, with a width of 1-1.2µm and a length of 3-5µm. It can be grown in an ordinary nutrient medium under aerobic or anaerobic conditions.It is one of few bacteria known to...

Arcanobacterium haemolyticum infection Arcanobacterium haemolyticum
Argentine hemorrhagic fever
Argentine hemorrhagic fever
Argentine hemorrhagic fever or O'Higgins disease, also known in Argentina as mal de los rastrojos, stubble disease, is a hemorrhagic fever and zoonotic infectious disease occurring in Argentina. It is caused by the Junín virus...

Junin virus
Junin virus
-Morphology and genome structure:The Junin virus virion is enveloped with a variable diameter of between 50 and 300 nm. The surface of the particle encompasses a layer of T-shaped glycoprotein extensions, extending up to 10 nm from the envelope, which are important for mediating...

Ascariasis
Ascariasis
Ascariasis is a human disease caused by the parasitic roundworm Ascaris lumbricoides. Perhaps as many as one quarter of the world's people are infected, with rates of 45% in Latin America and 95% in parts of Africa. Ascariasis is particularly prevalent in tropical regions and in areas of poor...

Ascaris lumbricoides
Ascaris lumbricoides
Ascaris lumbricoides is the giant roundworm of humans, belonging to the phylum Nematoda. An ascarid nematode, it is responsible for the disease ascariasis in humans, and it is the largest and most common parasitic worm in humans. One-sixth of the human population is estimated to be infected by this...

Aspergillosis
Aspergillosis
Aspergillosis is the name given to a wide variety of diseases caused by fungi of the genus Aspergillus. The most common forms are allergic bronchopulmonary aspergillosis, pulmonary aspergilloma and invasive aspergillosis. Most humans inhale Aspergillus spores every day...

Aspergillus
Aspergillus
Aspergillus is a genus consisting of several hundred mold species found in various climates worldwide. Aspergillus was first catalogued in 1729 by the Italian priest and biologist Pier Antonio Micheli...

genus
Astrovirus
Astrovirus
Astrovirus is a type of virus that was first discovered in 1975 using electron microscopes following an outbreak of diarrhoea in humans. In addition to humans, astroviruses have now been isolated from numerous mammalian animal species and from avian species such as ducks, chickens, and turkey...

 infection
Astroviridae
Astrovirus
Astrovirus is a type of virus that was first discovered in 1975 using electron microscopes following an outbreak of diarrhoea in humans. In addition to humans, astroviruses have now been isolated from numerous mammalian animal species and from avian species such as ducks, chickens, and turkey...

 family
Babesiosis
Babesiosis
Babesiosis is a malaria-like parasitic disease caused by infection with Babesia, a genus of protozoal piroplasms. After trypanosomes, Babesia are thought to be the second most common blood parasites of mammals and they can have a major impact on health of domestic animals in areas without severe...

Babesia
Babesia
Babesia is a protozoan parasite of the blood that causes a hemolytic disease known as Babesiosis. There are over 100 species of Babesia identified; however only a handful have been documented as pathogenic in humans....

genus
Bacillus cereus
Bacillus cereus
Bacillus cereus is an endemic, soil-dwelling, Gram-positive, rod-shaped, beta hemolytic bacterium. Some strains are harmful to humans and cause foodborne illness, while other strains can be beneficial as probiotics for animals...

infection
Bacillus cereus
Bacillus cereus
Bacillus cereus is an endemic, soil-dwelling, Gram-positive, rod-shaped, beta hemolytic bacterium. Some strains are harmful to humans and cause foodborne illness, while other strains can be beneficial as probiotics for animals...

Bacterial pneumonia
Bacterial pneumonia
Bacterial pneumonia is a type of pneumonia caused by bacterial infection.-Sign and symptoms:*Fever*Rigors*Cough*Dyspnea*Chest pain*Pneumococcal pneumonia can cause Hemoptysis-Gram positive:...

multiple bacteria
Bacterial vaginosis
Bacterial vaginosis
Bacterial vaginosis or less commonly vaginal bacteriosis is a disease of the vagina caused by bacteria. The U.S. Centers for Disease Control and Prevention states it is not clear what role sexual activity plays in the development. However, it is known that BV is associated with having a new sex...

 (BV)
multiple bacteria
Bacteroides
Bacteroides
Bacteroides is a genus of Gram-negative, bacillus bacteria. Bacteroides species are non-endospore-forming, anaerobes, and may be either motile or non-motile, depending on the species. The DNA base composition is 40-48% GC. Unusual in bacterial organisms, Bacteroides membranes contain sphingolipids...

infection
Bacteroides
Bacteroides
Bacteroides is a genus of Gram-negative, bacillus bacteria. Bacteroides species are non-endospore-forming, anaerobes, and may be either motile or non-motile, depending on the species. The DNA base composition is 40-48% GC. Unusual in bacterial organisms, Bacteroides membranes contain sphingolipids...

genus
Balantidiasis
Balantidiasis
Balantidiasis is a protozoan infection caused by infection with Balantidium coli.-Symptoms:Symptoms can be local due to involvement of the intestinal mucosa, or systemic in nature and include either diarrhea or constipation.-Treatment:...

Balantidium coli
Balantidium coli
Balantidium coli is a parasitic species of ciliate protozoan that causes the disease Balantidiasis. It is the only member of the ciliate phylum known to be pathogenic to humans.-Morphology:...

Baylisascaris
Baylisascaris
Baylisascaris is a genus of roundworms that infest more than fifty animal species.-Life cycle:Baylisascaris eggs are passed in feces and become active within a month. They can remain viable in the environment for years, withstanding heat and cold...

infection
Baylisascaris
Baylisascaris
Baylisascaris is a genus of roundworms that infest more than fifty animal species.-Life cycle:Baylisascaris eggs are passed in feces and become active within a month. They can remain viable in the environment for years, withstanding heat and cold...

genus
BK virus
BK virus
The BK virus is a member of the polyomavirus family. Past infection with the BK virus is widespread, but significant consequences of infection are uncommon, with the exception of the immunocompromised and the immunosuppressed.-History:...

 infection
BK virus
BK virus
The BK virus is a member of the polyomavirus family. Past infection with the BK virus is widespread, but significant consequences of infection are uncommon, with the exception of the immunocompromised and the immunosuppressed.-History:...

Black piedra
Black piedra
Black piedra is a form of piedra caused by Piedraia hortae.Terbinafine has been used in the treatment....

Piedraia hortae
Piedraia hortae
Piedraia hortae is a species fungus in the family Piedraiaceae. It is the cause of black piedra....

Blastocystis hominis infection Blastocystis hominis
Blastomycosis
Blastomycosis
Blastomycosis is a fungal infection caused by the organism Blastomyces dermatitidis...

Blastomyces dermatitidis
Bolivian hemorrhagic fever
Bolivian hemorrhagic fever
Bolivian hemorrhagic fever , also known as black typhus or Ordog Fever, is a hemorrhagic fever and zoonotic infectious disease originating in Bolivia after infection by Machupo virus....

Machupo virus
Borrelia
Borrelia
Borrelia is a genus of bacteria of the spirochete phylum. It causes borreliosis, a zoonotic, vector-borne disease transmitted primarily by ticks and some by lice, depending on the species...

infection
Borrelia
Borrelia
Borrelia is a genus of bacteria of the spirochete phylum. It causes borreliosis, a zoonotic, vector-borne disease transmitted primarily by ticks and some by lice, depending on the species...

genus
Botulism
Botulism
Botulism also known as botulinus intoxication is a rare but serious paralytic illness caused by botulinum toxin which is metabolic waste produced under anaerobic conditions by the bacterium Clostridium botulinum, and affecting a wide range of mammals, birds and fish...

 (and Infant botulism)
Clostridium botulinum
Clostridium botulinum
Clostridium botulinum is a Gram-positive, rod-shaped bacterium that produces several toxins. The best known are its neurotoxins, subdivided in types A-G, that cause the flaccid muscular paralysis seen in botulism. It is also the main paralytic agent in botox. C. botulinum is an anaerobic...

; Note: Botulism is not an infection by Clostridium botulinum
Clostridium botulinum
Clostridium botulinum is a Gram-positive, rod-shaped bacterium that produces several toxins. The best known are its neurotoxins, subdivided in types A-G, that cause the flaccid muscular paralysis seen in botulism. It is also the main paralytic agent in botox. C. botulinum is an anaerobic...

but caused by the intake of botulinum toxin
Botulinum toxin
Botulinum toxin is a protein produced by the bacterium Clostridium botulinum, and is considered the most powerful neurotoxin ever discovered. Botulinum toxin causes Botulism poisoning, a serious and life-threatening illness in humans and animals...

.
Brazilian hemorrhagic fever
Brazilian hemorrhagic fever
Brazilian hemorrhagic fever is an infectious disease caused by the Sabiá virus, an Arenavirus. The Sabiá virus is an enveloped RNA virus and is highly infectious and lethal....

Sabia
Brucellosis
Brucellosis
Brucellosis, also called Bang's disease, Crimean fever, Gibraltar fever, Malta fever, Maltese fever, Mediterranean fever, rock fever, or undulant fever, is a highly contagious zoonosis caused by ingestion of unsterilized milk or meat from infected animals or close contact with their secretions...

Brucella
Brucella
Brucella is a genus of Gram-negative bacteria. They are small , non-motile, non-encapsulated coccobacilli, which function as facultative intracellular parasites....

genus
Burkholderia
Burkholderia
Burkholderia is a genus of proteobacteria probably best known for its pathogenic members:Burkholderia mallei, responsible for glanders, a disease that occurs mostly in horses and related animals;...

infection
usually Burkholderia cepacia and other Burkholderia
Burkholderia
Burkholderia is a genus of proteobacteria probably best known for its pathogenic members:Burkholderia mallei, responsible for glanders, a disease that occurs mostly in horses and related animals;...

species
Buruli ulcer
Buruli ulcer
The Buruli ulcer is an infectious disease caused by Mycobacterium ulcerans. The genus also includes the causative agents of tuberculosis and leprosy...

Mycobacterium ulcerans
Mycobacterium ulcerans
Mycobacterium ulcerans is a slow-growing mycobacterium that classically infects the skin and subcutaneous tissues, giving rise to indolent nonulcerated and ulcerated lesions. After tuberculosis and leprosy, Buruli ulcer is the third most common mycobacteriosis of humans. M...

Calicivirus
Caliciviridae
The Caliciviridae family are a family of viruses, members of Class IV of the Baltimore scheme. They are positive-sense, single stranded RNA which is non-segmented. The caliciviruses have been found in a number of organisms such as humans, cattle, pigs, cats, chickens, reptiles, dolphins and...

 infection (Norovirus and Sapovirus
Sapovirus
Sapoviruses are caliciviruses that together with the noroviruses, are the most common cause of acute viral gastroenteritis in adults. The type species is Sapporo virus...

)
Caliciviridae
Caliciviridae
The Caliciviridae family are a family of viruses, members of Class IV of the Baltimore scheme. They are positive-sense, single stranded RNA which is non-segmented. The caliciviruses have been found in a number of organisms such as humans, cattle, pigs, cats, chickens, reptiles, dolphins and...

 family
Campylobacteriosis
Campylobacteriosis
Campylobacteriosis is an infection by the Campylobacter bacterium, most commonly C. jejuni. It is among the most common bacterial infections of humans, often a foodborne illness. It produces an inflammatory, sometimes bloody, diarrhea or dysentery syndrome, mostly including cramps, fever and...

Campylobacter
Campylobacter
Campylobacter is a genus of bacteria that are Gram-negative, spiral, and microaerophilic. Motile, with either unipolar or bipolar flagella, the organisms have a characteristic spiral/corkscrew appearance and are oxidase-positive. Campylobacter jejuni is now recognized as one of the main causes...

genus
Candidiasis
Candidiasis
Thrush redirects here. For the hoof infection see Thrush .Candidiasis or thrush is a fungal infection of any of the Candida species , of which Candida albicans is the most common...

 (Moniliasis; Thrush)
usually Candida albicans
Candida albicans
Candida albicans is a diploid fungus that grows both as yeast and filamentous cells and a causal agent of opportunistic oral and genital infections in humans. Systemic fungal infections including those by C...

and other Candida
Candida (genus)
Candida is a genus of yeasts. Many species are harmless commensals or endosymbionts of animal hosts including humans, but other species, or harmless species in the wrong location, can cause disease. Candida albicans can cause infections in humans and other animals, especially in immunocompromised...

species
Cat-scratch disease Bartonella henselae
Bartonella henselae
Bartonella henselae, formerly Rochalimæa, is a proteobacterium that can cause bacteremia, endocarditis, bacillary angiomatosis, and peliosis hepatis. It is also the causative agent of cat-scratch disease which, as the name suggests, occurs after a cat bite or scratch...

Cellulitis
Cellulitis
Cellulitis is a diffuse inflammation of connective tissue with severe inflammation of dermal and subcutaneous layers of the skin. Cellulitis can be caused by normal skin flora or by exogenous bacteria, and often occurs where the skin has previously been broken: cracks in the skin, cuts, blisters,...

usually Group A
Group A streptococcal infection
The group A streptococcus bacterium is a form of β-hemolytic Streptococcus bacteria responsible for most cases of streptococcal illness. Other types may also cause infection...

 Streptococcus
Streptococcus
Streptococcus is a genus of spherical Gram-positive bacteria belonging to the phylum Firmicutes and the lactic acid bacteria group. Cellular division occurs along a single axis in these bacteria, and thus they grow in chains or pairs, hence the name — from Greek στρεπτος streptos, meaning...

and Staphylococcus
Staphylococcus
Staphylococcus is a genus of Gram-positive bacteria. Under the microscope they appear round , and form in grape-like clusters....

Chagas Disease
Chagas disease
Chagas disease is a tropical parasitic disease caused by the flagellate protozoan Trypanosoma cruzi. T. cruzi is commonly transmitted to humans and other mammals by an insect vector, the blood-sucking insects of the subfamily Triatominae most commonly species belonging to the Triatoma, Rhodnius,...

 (American trypanosomiasis)
Trypanosoma cruzi
Trypanosoma cruzi
Trypanosoma cruzi is a species of parasitic euglenoid trypanosomes. This species causes the trypanosomiasis diseases in humans and animals in America...

Chancroid
Chancroid
Chancroid is a sexually transmitted infection characterized by painful sores on the genitalia...

Haemophilus ducreyi
Haemophilus ducreyi
Haemophilus ducreyi is a fastidious gram-negative coccobacillus causing the sexually transmitted disease chancroid, a major cause of genital ulceration in developing countries characterized by painful sores on the genitalia. Another early symptom is dark or light green shears in excrement...

Chickenpox
Chickenpox
Chickenpox or chicken pox is a highly contagious illness caused by primary infection with varicella zoster virus . It usually starts with vesicular skin rash mainly on the body and head rather than at the periphery and becomes itchy, raw pockmarks, which mostly heal without scarring...

Varicella zoster virus (VZV)
Varicella zoster virus
Varicella zoster virus is one of eight herpes viruses known to infect humans . It commonly causes chicken-pox in children and Herpes zoster in adults and rarely in children.-Nomenclature:...

Chlamydia Chlamydia trachomatis
Chlamydia trachomatis
Chlamydia trachomatis, an obligate intracellular human pathogen, is one of three bacterial species in the genus Chlamydia. C. trachomatis is a Gram-negative bacteria, therefore its cell wall components retain the counter-stain safranin and appear pink under a light microscope.The inclusion bodies...

Chlamydophila pneumoniae
Chlamydophila pneumoniae
Chlamydophila pneumoniae is a species of Chlamydophila, an obligate intracellular bacteria that infects humans and is a major cause of pneumonia....

infection
Chlamydophila pneumoniae
Chlamydophila pneumoniae
Chlamydophila pneumoniae is a species of Chlamydophila, an obligate intracellular bacteria that infects humans and is a major cause of pneumonia....

Cholera
Cholera
Cholera is an infection of the small intestine that is caused by the bacterium Vibrio cholerae. The main symptoms are profuse watery diarrhea and vomiting. Transmission occurs primarily by drinking or eating water or food that has been contaminated by the diarrhea of an infected person or the feces...

Vibrio cholerae
Vibrio cholerae
Vibrio cholerae is a Gram-negative, comma-shaped bacterium. Some strains of V. cholerae cause the disease cholera. V. cholerae is facultatively anaerobic and has a flagella at one cell pole. V...

Chromoblastomycosis
Chromoblastomycosis
Chromoblastomycosis is a long-term fungal infection of the skin and subcutaneous tissue . The infection occurs most commonly in tropical or subtropical climates, often in rural areas...

usually Fonsecaea pedrosoi
Fonsecaea pedrosoi
Fonsecaea pedrosoi is a species of fungus in the genus Fonsecaea. First described in 1922 as Hormodendrum pedrosoi by Émile Josef Alexander Brumpt, it is known from South America.It can be associated with chromoblastomycosis....

Clonorchiasis
Clonorchiasis
Clonorchiasis is an infectious disease caused by the Chinese liver fluke, Clonorchis sinensis.Clonorchiasis is a known risk factor for the development of cholangiocarcinoma, a neoplasm of the biliary system....

Clonorchis sinensis
Clonorchis sinensis
Clonorchis sinensis, the Chinese liver fluke, is a human liver fluke in the class Trematoda, Phylum Platyhelminthes. This parasite lives in the liver of humans, and is found mainly in the common bile duct and gall bladder, feeding on bile...

Clostridium difficile
Clostridium difficile
Clostridium difficile , also known as "CDF/cdf", or "C...

infection
Clostridium difficile
Clostridium difficile
Clostridium difficile , also known as "CDF/cdf", or "C...

Coccidioidomycosis
Coccidioidomycosis
Coccidioidomycosis is a fungal disease caused by Coccidioides immitis or C. posadasii. It is endemic in certain parts of Arizona, California, Nevada, New Mexico, Texas, Utah and northwestern Mexico.C...

Coccidioides immitis
Coccidioides immitis
Coccidioides immitis is a pathogenic fungus that resides in the soil in certain parts of the southwestern United States, northern Mexico, and a few other areas in the Western Hemisphere....

and Coccidioides posadasii
Coccidioides posadasii
Coccidioides posadasii is a pathogenic fungus that, along with Coccidioides immitis, is the causative agent of coccidioidomycosis in humans. It resides in the soil in certain parts of the Southwestern United States, northern Mexico, and certain other areas in the Americas.C. posadasii and C...

Colorado tick fever
Colorado tick fever
Colorado Tick Fever is an obtuse viral infection transmitted from the bite of an infected tick...

 (CTF)
Colorado tick fever virus (CTFV)
Common cold
Common cold
The common cold is a viral infectious disease of the upper respiratory system, caused primarily by rhinoviruses and coronaviruses. Common symptoms include a cough, sore throat, runny nose, and fever...

 (Acute viral rhinopharyngitis; Acute coryza)
usually rhinovirus
Rhinovirus
Human rhinoviruses are the most common viral infective agents in humans and are the predominant cause of the common cold. Rhinovirus infection proliferates in temperatures between 33–35 °C , and this may be why it occurs primarily in the nose...

es and coronavirus
Coronavirus
Coronaviruses are species in the genera of virus belonging to the subfamily Coronavirinae in the family Coronaviridae. Coronaviruses are enveloped viruses with a positive-sense single-stranded RNA genome and a helical symmetry. The genomic size of coronaviruses ranges from approximately 16 to 31...

es.
Creutzfeldt-Jakob disease
Creutzfeldt-Jakob disease
Creutzfeldt–Jakob disease or CJD is a degenerative neurological disorder that is incurable and invariably fatal. CJD is at times called a human form of mad cow disease, given that bovine spongiform encephalopathy is believed to be the cause of variant Creutzfeldt–Jakob disease in humans.CJD...

 (CJD)
CJD prion
Crimean-Congo hemorrhagic fever
Crimean-Congo hemorrhagic fever
Crimean–Congo hemorrhagic fever is a widespread tick-borne viral disease, a zoonosis of domestic animals and wild animals, that may affect humans. The pathogenic virus, especially common in East and West Africa, is a member of the Bunyaviridae family of RNA viruses. Clinical disease is rare in...

 (CCHF)
Crimean-Congo hemorrhagic fever virus
Cryptococcosis
Cryptococcosis
Cryptococcosis, or cryptococcal disease, is a potentially fatal fungal disease. It is caused by one of two species; Cryptococcus neoformans and Cryptococcus gattii. These were all previously thought to be subspecies of C...

Cryptococcus neoformans
Cryptococcus neoformans
Cryptococcus neoformans is an encapsulated yeast that can live in both plants and animals. Its teleomorph is Filobasidiella neoformans, a filamentous fungus belonging to the class Tremellomycetes. It is often found in pigeon excrement....

Cryptosporidiosis
Cryptosporidiosis
Cryptosporidiosis, also known as crypto, is a parasitic disease caused by Cryptosporidium, a protozoan parasite in the phylum Apicomplexa. It affects the intestines of mammals and is typically an acute short-term infection...

Cryptosporidium
Cryptosporidium
Cryptosporidium is a protozoan that can cause gastro-intestinal illness with diarrhea in humans.Cryptosporidium is the organism most commonly isolated in HIV positive patients presenting with diarrhea...

genus
Cutaneous larva migrans
Cutaneous larva migrans
Cutaneous larva migrans is a skin disease in humans, caused by the larvae of various nematode parasites of the hookworm family...

 (CLM)
usually Ancylostoma braziliense
Ancylostoma braziliense
Ancylostoma braziliense is a species of Ancylostoma.It can cause creeping eruption....

; multiple other parasites
Cyclosporiasis
Cyclosporiasis
Cyclosporiasis is an infection with the protozoan Cyclospora cayetanensis, a pathogen transmitted by feces or feces-contaminated fresh produce and water. Outbreaks have been reported due to contaminated raspberries. It is not spread from person to person...

Cyclospora cayetanensis
Cyclospora cayetanensis
Cyclospora cayetanensis is a protozoan that causes disease in humans, and perhaps other primates. It has been linked in the United States from fecally-contaminated imported raspberries and was virtually unknown before about 1990, but has been on the rise since...

Cysticercosis
Cysticercosis
Cysticercosis refers to tissue infection after exposure to eggs of Taenia solium, the pork tapeworm. The disease is spread via the fecal-oral route through contaminated food and water, and is primarily a food borne disease. After ingestion the eggs pass through the lumen of the intestine into the...

Taenia solium
Cytomegalovirus
Cytomegalovirus
Cytomegalovirus is a viral genus of the viral group known as Herpesviridae or herpesviruses. It is typically abbreviated as CMV: The species that infects humans is commonly known as human CMV or human herpesvirus-5 , and is the most studied of all cytomegaloviruses...

 infection
Cytomegalovirus
Cytomegalovirus
Cytomegalovirus is a viral genus of the viral group known as Herpesviridae or herpesviruses. It is typically abbreviated as CMV: The species that infects humans is commonly known as human CMV or human herpesvirus-5 , and is the most studied of all cytomegaloviruses...

Dengue fever
Dengue fever
Dengue fever , also known as breakbone fever, is an infectious tropical disease caused by the dengue virus. Symptoms include fever, headache, muscle and joint pains, and a characteristic skin rash that is similar to measles...

Dengue viruses (DEN-1, DEN-2, DEN-3 and DEN-4) – Flavivirus
Flavivirus
Flavivirus is a genus of the family Flaviviridae. This genus includes the West Nile virus, dengue virus, tick-borne encephalitis virus, yellow fever virus, and several other viruses which may cause encephalitis....

es
Dientamoebiasis
Dientamoebiasis
Dientamoebiasis is a medical condition caused by infection with Dientamoeba fragilis. Dientamoeba fragilis is a single celled parasite that infects the lower gastrointestinal tract of humans...

Dientamoeba fragilis
Dientamoeba fragilis
Dientamoeba fragilis is a single celled parasite found in the gastrointestinal tract of some humans, pigs and gorillas. In some people it causes gastrointestinal upset while in others it does not...

Diphtheria
Diphtheria
Diphtheria is an upper respiratory tract illness caused by Corynebacterium diphtheriae, a facultative anaerobic, Gram-positive bacterium. It is characterized by sore throat, low fever, and an adherent membrane on the tonsils, pharynx, and/or nasal cavity...

Corynebacterium diphtheriae
Corynebacterium diphtheriae
Corynebacterium diphtheriae is a pathogenic bacterium that causes diphtheria. It is also known as the Klebs-Löffler bacillus, because it was discovered in 1884 by German bacteriologists Edwin Klebs and Friedrich Löffler .-Classification:Four subspecies are recognized: C. diphtheriae mitis, C....

Diphyllobothriasis
Diphyllobothriasis
Diphyllobothrium is a genus of tapeworm which can cause Diphyllobothriasis in humans through consumption of raw or undercooked fish. The principal species causing diphyllobothriosis is Diphyllobothrium latum, known as the broad or fish tapeworm, or broad fish tapeworm. D. latum is a pseudophyllid...

Diphyllobothrium
Dracunculiasis
Dracunculiasis
Dracunculiasis , also called guinea worm disease , is a parasitic infection caused by Dracunculus medinensis, a long and very thin nematode . The infection begins when a person drinks stagnant water contaminated with copepods infested by the larvae of the guinea worm...

Dracunculus medinensis
Dracunculus medinensis
Dracunculus medinensis is a nematode that causes dracunculiasis.Dracunculiasis, also known as Guinea worm disease, is caused by the large female nematode, Dracunculus medinensis, which is among the longest nematodes infecting humans. The adult female is primarily larger than the adult male. The...

Ebola
Ebola
Ebola virus disease is the name for the human disease which may be caused by any of the four known ebolaviruses. These four viruses are: Bundibugyo virus , Ebola virus , Sudan virus , and Taï Forest virus...

 hemorrhagic fever
Ebolavirus
Ebola
Ebola virus disease is the name for the human disease which may be caused by any of the four known ebolaviruses. These four viruses are: Bundibugyo virus , Ebola virus , Sudan virus , and Taï Forest virus...

 (EBOV)
Echinococcosis
Echinococcosis
Echinococcosis, which is often referred to as hydatid disease or echinococcal disease, is a parasitic disease that affects both humans and other mammals, such as sheep, dogs, rodents and horses. There are three different forms of echinococcosis found in humans, each of which is caused by the larval...

Echinococcus
Echinococcus
The genus Echinococcus includes six species of cyclophyllid tapeworms to date, of the family Taeniidae. Infection with Echinococcus results in hydatid disease, also known as echinococcosis....

genus
Ehrlichiosis
Ehrlichiosis
Ehrlichiosis is a tick-borne disease of dogs usually caused by the organism Ehrlichia canis. Ehrlichia canis is the pathogen of animals. Humans can become infected by E. canis and other species after tick exposure. German Shepherd dogs are thought to be particularly affected by the disease, other...

Ehrlichia
Ehrlichia
Ehrlichia is a genus of rickettsiales bacteria. They are transmitted by ticks. Several species can cause infection in humans. The genus is named after German microbiologist Paul Ehrlich...

genus
Enterobiasis
Enterobiasis
A pinworm infection or enterobiasis is a human parasitic disease and one of the most common childhood parasitic worm infections in the developed world. It is caused by infestation with the parasitic roundworm Enterobius vermicularis, commonly called the human pinworm...

 (Pinworm infection)
Enterobius vermicularis
Enterococcus
Enterococcus
Enterococcus is a genus of lactic acid bacteria of the phylum Firmicutes. Enterococci are Gram-positive cocci that often occur in pairs or short chains, and are difficult to distinguish from streptococci on physical characteristics alone. Two species are common commensal organisms in the...

infection
Enterococcus
Enterococcus
Enterococcus is a genus of lactic acid bacteria of the phylum Firmicutes. Enterococci are Gram-positive cocci that often occur in pairs or short chains, and are difficult to distinguish from streptococci on physical characteristics alone. Two species are common commensal organisms in the...

genus
Enterovirus
Enterovirus
Enteroviruses are a genus of ssRNA viruses associated with several human and mammalian diseases. Serologic studies have distinguished 66 human enterovirus serotypes on the basis of antibody neutralization tests. Additional antigenic variants have been defined within several of the serotypes on the...

 infection
Enterovirus
Enterovirus
Enteroviruses are a genus of ssRNA viruses associated with several human and mammalian diseases. Serologic studies have distinguished 66 human enterovirus serotypes on the basis of antibody neutralization tests. Additional antigenic variants have been defined within several of the serotypes on the...

 genus
Epidemic typhus Rickettsia prowazekii
Rickettsia prowazekii
Rickettsia prowazekii is a species of gram negative, Alpha Proteobacteria, obligate intracellular parasitic, aerobic bacteria that is the etiologic agent of epidemic typhus, transmitted in the feces of lice. In North America, the main reservoir for R. prowazekii is the flying squirrel. R...

Erythema infectiosum (Fifth disease) Parvovirus B19
Parvovirus B19
The B19 virus, generally referred to as parvovirus B19 or sometimes erythrovirus B19, was the first known human virus in the family of parvoviruses, genus erythrovirus...

Exanthem subitum Human herpesvirus 6 (HHV-6) and Human herpesvirus 7
Human herpesvirus 7
Human herpesvirus 7 is one of eight known members of the Herpesviridae family, also known as human herpes virus. HHV-7 is a member of Betaherpesviridae, a subfamily of the Herpesviridae that also includes HHV-6 and Cytomegalovirus . HHV-7 often acts together with HHV-6, and the viruses together...

 (HHV-7)
Fasciolopsiasis
Fasciolopsiasis
Fasciolopsiasis results from an infection by the trematode Fasciolopsis buski, the largest intestinal fluke of humans .-Infection cycle:...

Fasciolopsis buski
Fasciolosis Fasciola hepatica
Fasciola hepatica
Fasciola hepatica, also known as the common liver fluke or sheep liver fluke, is a parasitic flatworm of the class Trematoda, phylum Platyhelminthes that infects the livers of various mammals, including humans. The disease caused by the fluke is called fascioliasis . F...

and Fasciola gigantica
Fasciola gigantica
Fasciola gigantica is a parasitic flatworm of the class Trematoda, which causes tropical fascioliasis. It is regarded as one of the most important single platyhelminth infections of ruminants in Asia and Africa...

Fatal familial insomnia
Fatal familial insomnia
Fatal familial insomnia is a very rare autosomal dominant inherited prion disease of the brain. It is almost always caused by a mutation to the protein PrPC, but can also develop spontaneously in patients with a non-inherited mutation variant called sporadic fatal insomnia...

 (FFI)
FFI prion
Filariasis
Filariasis
Filariasis is a parasitic disease and is considered an infectious tropical disease, that is caused by thread-like nematodes belonging to the superfamily Filarioidea, also known as "filariae"....

Filarioidea
Filarioidea
Filarioidea is a superfamily of nematode.A specific member is known as "Filaria".Infections with Filarioidea cause Filariasis.It includes the family Onchocercidae....

 superfamily
Food poisoning by Clostridium perfringens
Clostridium perfringens
Clostridium perfringens is a Gram-positive, rod-shaped, anaerobic, spore-forming bacterium of the genus Clostridium. C. perfringens is ever present in nature and can be found as a normal component of decaying vegetation, marine sediment, the intestinal tract of humans and other vertebrates,...

Clostridium perfringens
Clostridium perfringens
Clostridium perfringens is a Gram-positive, rod-shaped, anaerobic, spore-forming bacterium of the genus Clostridium. C. perfringens is ever present in nature and can be found as a normal component of decaying vegetation, marine sediment, the intestinal tract of humans and other vertebrates,...

Free-living amebic infection
Free-living amebic infection
Free-living amoebae in the Amoebozoa group are important causes of disease in humans and animals.Naegleria fowleri is sometimes included in the group "free-living amoebae", and it causes a condition traditionally called primary amoebic meningoencephalitis...

multiple
Fusobacterium
Fusobacterium
Fusobacterium is a genus of filamentous, anaerobic, Gram-negative bacteria, similar to Bacteroides.Fusobacterium contribute to several human diseases, including periodontal diseases, Lemierre's syndrome, and topical skin ulcers...

infection
Fusobacterium
Fusobacterium
Fusobacterium is a genus of filamentous, anaerobic, Gram-negative bacteria, similar to Bacteroides.Fusobacterium contribute to several human diseases, including periodontal diseases, Lemierre's syndrome, and topical skin ulcers...

genus
Gas gangrene
Gas gangrene
Gas gangrene is a bacterial infection that produces gas tissues in gangrene. It is a deadly form of gangrene usually caused by Clostridium perfringens bacteria. It is a medical emergency....

 (Clostridial myonecrosis)
usually Clostridium perfringens
Clostridium perfringens
Clostridium perfringens is a Gram-positive, rod-shaped, anaerobic, spore-forming bacterium of the genus Clostridium. C. perfringens is ever present in nature and can be found as a normal component of decaying vegetation, marine sediment, the intestinal tract of humans and other vertebrates,...

; other Clostridium
Clostridium
Clostridium is a genus of Gram-positive bacteria, belonging to the Firmicutes. They are obligate anaerobes capable of producing endospores. Individual cells are rod-shaped, which gives them their name, from the Greek kloster or spindle...

species
Geotrichosis
Geotrichosis
Geotrichosis is a mycosis caused by Geotrichum candidum.The lungs are the primary organ affected, but other systems can be involved....

Geotrichum candidum
Geotrichum candidum
Geotrichum candidum is a Fungi or mold that can act as a plant pathogen causing sour rot on peach, nectarine, tomato and carrot. It is also widely used in the production of many dairy products including many natural rind cheeses such as Camembert and other bloomy rind cheese, Saint-Nectaire, Tomme...

Gerstmann-Sträussler-Scheinker syndrome
Gerstmann-Sträussler-Scheinker syndrome
Gerstmann–Sträussler–Scheinker syndrome is a very rare, usually familial, fatal neurodegenerative disease that affects patients from 20 to 60 years in age...

 (GSS)
GSS prion
Giardiasis
Giardiasis
Giardiasis or beaver fever in humans is a diarrheal infection of the small intestine by a single-celled organism Giardia lamblia. Giardiasis occurs worldwide with a prevalence of 20–30% in developing countries. In the U.S., 20,000 cases are reported to the CDC annually, but the true annual...

Giardia intestinalis
Glanders
Glanders
Glanders is an infectious disease that occurs primarily in horses, mules, and donkeys. It can be contracted by other animals such as dogs, cats and goats...

Burkholderia mallei
Gnathostomiasis
Gnathostomiasis
Gnathostomiasis is the human infection by the nematode Gnathostoma spinigerum and/or Gnathostoma hispidum, which infects vertebrates.-Synonyms:...

Gnathostoma
Gnathostoma
Not to be confused with Gnathostomata , a Vertebrate Superclass.Gnathostoma is a genus of parasitic nematodes. The species Gnathostoma spinigerum and Gnathostoma hispidum can cause gnathostomiasis.-Species:...

 spinigerum
and Gnathostoma hispidum
Gonorrhea
Gonorrhea
Gonorrhea is a common sexually transmitted infection caused by the bacterium Neisseria gonorrhoeae. The usual symptoms in men are burning with urination and penile discharge. Women, on the other hand, are asymptomatic half the time or have vaginal discharge and pelvic pain...

Neisseria gonorrhoeae
Neisseria gonorrhoeae
Neisseria gonorrhoeae, also known as gonococci , or gonococcus , is a species of Gram-negative coffee bean-shaped diplococci bacteria responsible for the sexually transmitted infection gonorrhea.N...

Granuloma inguinale (Donovanosis) Klebsiella granulomatis
Klebsiella granulomatis
Klebsiella granulomatis is Gram-negative, rod shaped bacteria of the genus Klebsiella known to cause the sexually transmitted disease Donovanosis. It used to be called Calymmatobacterium granulomatis....

Group A streptococcal infection
Group A streptococcal infection
The group A streptococcus bacterium is a form of β-hemolytic Streptococcus bacteria responsible for most cases of streptococcal illness. Other types may also cause infection...

Streptococcus pyogenes
Streptococcus pyogenes
Streptococcus pyogenes is a spherical, Gram-positive bacterium that is the cause of group A streptococcal infections. S. pyogenes displays streptococcal group A antigen on its cell wall. S...

Group B streptococcal infection Streptococcus agalactiae
Streptococcus agalactiae
Streptococcus agalactiae is a beta-hemolytic Gram-positive streptococcus.- Identification :The CAMP test is an important test for identification...

Haemophilus influenzae
Haemophilus influenzae
Haemophilus influenzae, formerly called Pfeiffer's bacillus or Bacillus influenzae, Gram-negative, rod-shaped bacterium first described in 1892 by Richard Pfeiffer during an influenza pandemic. A member of the Pasteurellaceae family, it is generally aerobic, but can grow as a facultative anaerobe. H...

infection
Haemophilus influenzae
Haemophilus influenzae
Haemophilus influenzae, formerly called Pfeiffer's bacillus or Bacillus influenzae, Gram-negative, rod-shaped bacterium first described in 1892 by Richard Pfeiffer during an influenza pandemic. A member of the Pasteurellaceae family, it is generally aerobic, but can grow as a facultative anaerobe. H...

Hand, foot and mouth disease
Hand, foot and mouth disease
Hand, foot and mouth disease is a human syndrome caused by intestinal viruses of the Picornaviridae family. The most common strains causing HFMD are Coxsackie A virus and Enterovirus 71 ....

 (HFMD)
Enteroviruses, mainly Coxsackie A virus
Virus
A virus is a small infectious agent that can replicate only inside the living cells of organisms. Viruses infect all types of organisms, from animals and plants to bacteria and archaea...

 and Enterovirus 71
EV-71
Enterovirus 71 is a virus of the Enterovirudae family notable for its etiological role in epidemics of severe neurological diseases in children. It is first isolated and characterized from cases of neurological disease in California in 1969....

 (EV71)
Hantavirus
Hantavirus
Hantaviruses are negative sense RNA viruses in the Bunyaviridae family. Humans may be infected with hantaviruses through rodent bites, urine, saliva or contact with rodent waste products...

 Pulmonary Syndrome (HPS)
Sin Nombre virus
Virus sin Nombre
The Sin Nombre virus is the prototypical etiologic agent of hantavirus cardiopulmonary syndrome ....

Helicobacter pylori
Helicobacter pylori
Helicobacter pylori , previously named Campylobacter pyloridis, is a Gram-negative, microaerophilic bacterium found in the stomach. It was identified in 1982 by Barry Marshall and Robin Warren, who found that it was present in patients with chronic gastritis and gastric ulcers, conditions that were...

infection
Helicobacter pylori
Helicobacter pylori
Helicobacter pylori , previously named Campylobacter pyloridis, is a Gram-negative, microaerophilic bacterium found in the stomach. It was identified in 1982 by Barry Marshall and Robin Warren, who found that it was present in patients with chronic gastritis and gastric ulcers, conditions that were...

Hemolytic-uremic syndrome
Hemolytic-uremic syndrome
Hemolytic-uremic syndrome , abbreviated HUS, is a disease characterized by hemolytic anemia, acute renal failure and a low platelet count . It predominantly, but not exclusively, affects children. Most cases are preceded by an episode of diarrhea caused by E. coli O157:H7, which is acquired as a...

 (HUS)
Escherichia coli O157:H7, O111 and O104:H4
Hemorrhagic fever with renal syndrome (HFRS) Bunyaviridae
Bunyaviridae
Bunyaviridae is a family of negative-stranded RNA viruses. Though generally found in arthropods or rodents, certain viruses in this family occasionally infect humans. Some of them also infect plants....

 family
Hepatitis A
Hepatitis A
Hepatitis A is an acute infectious disease of the liver caused by the hepatitis A virus , an RNA virus, usually spread the fecal-oral route; transmitted person-to-person by ingestion of contaminated food or water or through direct contact with an infectious person...

Hepatitis A Virus
Hepatitis B Hepatitis B Virus
Hepatitis B virus
Hepatitis B is an infectious illness caused by hepatitis B virus which infects the liver of hominoidea, including humans, and causes an inflammation called hepatitis. Originally known as "serum hepatitis", the disease has caused epidemics in parts of Asia and Africa, and it is endemic in China...

Hepatitis C
Hepatitis C
Hepatitis C is an infectious disease primarily affecting the liver, caused by the hepatitis C virus . The infection is often asymptomatic, but chronic infection can lead to scarring of the liver and ultimately to cirrhosis, which is generally apparent after many years...

Hepatitis C Virus
Hepatitis C virus
Hepatitis C virus is a small , enveloped, positive-sense single-stranded RNA virus of the family Flaviviridae...

Hepatitis D
Hepatitis D
Hepatitis D, also referred to as hepatitis D virus and classified as Hepatitis delta virus, is a disease caused by a small circular enveloped RNA virus. It is one of five known hepatitis viruses: A, B, C, D, and E. HDV is considered to be a subviral satellite because it can propagate only in the...

Hepatitis D Virus
Hepatitis E
Hepatitis E
Hepatitis E is a viral hepatitis caused by infection with a virus called hepatitis E virus . HEV is a positive-sense single-stranded RNA icosahedral virus with a 7.5 kilobase genome. HEV has a fecal-oral transmission route. It is one of five known hepatitis viruses: A, B, C, D, and E...

Hepatitis E Virus
Hepatitis E virus
Hepatitis E virus is the infective organism that causes hepatitis E.The viral particles are 27 to 34 nanometers in diameter, are non-enveloped and contain a single-strand of positive-sense RNA that is approximately 7300 bases in length. The virus particle was first visualised in 1983 but was only...

Herpes simplex
Herpes simplex
Herpes simplex is a viral disease caused by both Herpes simplex virus type 1 and type 2 . Infection with the herpes virus is categorized into one of several distinct disorders based on the site of infection. Oral herpes, the visible symptoms of which are colloquially called cold sores or fever...

Herpes simplex virus 1 and 2
Herpes simplex virus
Herpes simplex virus 1 and 2 , also known as Human herpes virus 1 and 2 , are two members of the herpes virus family, Herpesviridae, that infect humans. Both HSV-1 and HSV-2 are ubiquitous and contagious...

 (HSV-1 and HSV-2)
Histoplasmosis
Histoplasmosis
Histoplasmosis is a disease caused by the fungus Histoplasma capsulatum. Symptoms of this infection vary greatly, but the disease primarily affects the lungs...

Histoplasma capsulatum
Hookworm
Hookworm
The hookworm is a parasitic nematode that lives in the small intestine of its host, which may be a mammal such as a dog, cat, or human. Two species of hookworms commonly infect humans, Ancylostoma duodenale and Necator americanus. A. duodenale predominates in the Middle East, North Africa, India...

 infection
Ancylostoma duodenale
Ancylostoma duodenale
Ancylostoma duodenale is a species of the worm genus Ancylostoma. It is a parasitic nematode worm and commonly known as Old World hookworm. It lives in the small intestine of host such as humans, cats and dogs....

and Necator americanus
Necator americanus
Necator americanus is a species of Necator. It is a class within the phylum Nematodes and commonly known as New World hookworm. It is a parasitic nematode worm that lives in the small intestine of hosts such as humans, dogs and cats. It is responsible for Necatoriasis...

Human bocavirus
Human bocavirus
Human bocavirus is a parvovirus that has been suggested to cause human disease. It is a probable cause of lower respiratory tract infections and it has been linked to gastroenteritis, although the role of this emerging infectious disease in human disease has not been firmly established.- History...

 infection
Human bocavirus
Human bocavirus
Human bocavirus is a parvovirus that has been suggested to cause human disease. It is a probable cause of lower respiratory tract infections and it has been linked to gastroenteritis, although the role of this emerging infectious disease in human disease has not been firmly established.- History...

 (HBoV)
Human ewingii ehrlichiosis
Human ewingii ehrlichiosis
Ehrlichiosis ewingii infection is an infectious disease caused by an intracellular bacteria, Ehrlichia ewingii. The infection is transmitted to humans by Amblyomma americanum...


> Ehrlichia ewingii
Ehrlichia ewingii
Ehrlichia ewingii is a species of rickettsiales bacteria.Previously known to infect dogs, it has recently been associated with human infection .There is currently no serological test.PCR can be used in diagnosis....

Human granulocytic anaplasmosis
Human granulocytic anaplasmosis
Human granulocytic anaplasmosis is an infectious disease caused by Anaplasma phagocytophilum, an obligate intracellular bacterium that is typically transmitted to humans by at least three kinds of ticks, including Ixodes scapularis, Ixodes pacificus, and Dermacentor variabilis...

 (HGA)
> Anaplasma phagocytophilum
Anaplasma phagocytophilum
Anaplasma phagocytophilum is a gram-negative bacterium that is unusual in its tropism to neutrophils...

Human metapneumovirus infection Human metapneumovirus (hMPV)
Human monocytic ehrlichiosis
Human monocytic ehrlichiosis
Human monocytotropic ehrlichiosis is a form of ehrlichiosis associated with Ehrlichia chaffeensis.This bacteria is an obligate intracellular pathogen affecting monocytes and macrophages.-Ecology & Epidemiology:...

Ehrlichia chaffeensis
Ehrlichia chaffeensis
Ehrlichia chaffeensis is a species of rickettsiales bacteria.It is named for Fort Chaffee.It is the causative agent of human monocytic ehrlichiosis....

Human papillomavirus
Human papillomavirus
Human papillomavirus is a member of the papillomavirus family of viruses that is capable of infecting humans. Like all papillomaviruses, HPVs establish productive infections only in keratinocytes of the skin or mucous membranes...

 (HPV) infection
Human papillomavirus
Human papillomavirus
Human papillomavirus is a member of the papillomavirus family of viruses that is capable of infecting humans. Like all papillomaviruses, HPVs establish productive infections only in keratinocytes of the skin or mucous membranes...

 (HPV)
Human parainfluenza virus infection Human parainfluenza viruses (HPIV)
Hymenolepiasis
Hymenolepiasis
Hymenolepiasis is infestation by one of two species of tapeworm:* Hymenolepis nana* Hymenolepis diminutaAlternative names are:* Dwarf tapeworm infection* Rat tapeworm-Causes, incidence, and risk factors:...

Hymenolepis nana
Hymenolepis nana
Dwarf tapeworm is a cosmopolitan species that is one of the most common cestodes of humans in the world, especially among children. It can be found throughout the world, but is usually most common in temperate zones...

and Hymenolepis diminuta
Hymenolepis diminuta
Hymenolepis diminuta, also known as rat tapeworm, is a species of Hymenolepis tapeworm that causes hymenolepiasis. It has slightly bigger eggs and proglottids than H. nana and infects mammals using insects as intermediate hosts...

Epstein-Barr Virus Infectious Mononucleosis
Infectious mononucleosis
Infectious mononucleosis is an infectious, widespread viral...

 (Mono)
Epstein-Barr Virus
Epstein-Barr virus
The Epstein–Barr virus , also called human herpesvirus 4 , is a virus of the herpes family and is one of the most common viruses in humans. It is best known as the cause of infectious mononucleosis...

 (EBV)
Influenza
Influenza
Influenza, commonly referred to as the flu, is an infectious disease caused by RNA viruses of the family Orthomyxoviridae , that affects birds and mammals...

 (flu)
Orthomyxoviridae
Orthomyxoviridae
The Orthomyxoviridae are a family of RNA viruses that includes five genera: Influenzavirus A, Influenzavirus B, Influenzavirus C, Isavirus and Thogotovirus. A sixth has recently been described...

 family
Isosporiasis
Isosporiasis
Isosporiasis is a human intestinal disease caused by the parasite Isospora belli. It is found worldwide, especially in tropical and subtropical areas. Infection often occurs in immuno-compromised individuals, notably AIDS patients, and outbreaks have been reported in institutionalized groups in the...

Isospora belli
Isospora belli
Isospora belli is a species of internal parasites classified under Coccidia. It is responsible for the condition isosporiasis. Autofluorescence aids detection....

Kawasaki disease
Kawasaki disease
Kawasaki disease , also known as Kawasaki syndrome, lymph node syndrome and mucocutaneous lymph node syndrome, is an autoimmune disease in which the medium-sized blood vessels throughout the body become inflamed. It is largely seen in children under five years of age...

unknown; evidence supports that it is infectious
Keratitis
Keratitis
Keratitis is a condition in which the eye's cornea, the front part of the eye, becomes inflamed. The condition is often marked by moderate to intense pain and usually involves impaired eyesight.-Types:...

multiple
Kingella kingae
Kingella kingae
Kingella kingae is a species of gram-negative aerobic coccobacilli. First isolated in 1960, it was not until the 1990s that culture techniques improved enough for it to become recognized as a significant cause of infection in young children...

infection
Kingella kingae
Kingella kingae
Kingella kingae is a species of gram-negative aerobic coccobacilli. First isolated in 1960, it was not until the 1990s that culture techniques improved enough for it to become recognized as a significant cause of infection in young children...

Kuru
Kuru (disease)
Kuru is an incurable degenerative neurological disorder that is a type of transmissible spongiform encephalopathy, caused by a prion found in humans...

Kuru prion
Lassa fever
Lassa fever
Lassa fever is an acute viral hemorrhagic fever caused by the Lassa virus and first described in 1969 in the town of Lassa, in Borno State, Nigeria, in the Yedseram river valley at the south end of Lake Chad. Clinical cases of the disease had been known for over a decade but had not been connected...

Lassa virus
Legionellosis
Legionellosis
Legionellosis is a potentially fatal infectious disease caused by gram negative, aerobic bacteria belonging to the genus Legionella. Over 90% of legionellosis cases are caused by Legionella pneumophila, a ubiquitous aquatic organism that thrives in temperatures between , with an optimum temperature...

 (Legionnaires' disease)
Legionella pneumophila
Legionella pneumophila
Legionella pneumophila is a thin, ærobic, pleomorphic, flagellated, non-spore forming, Gram-negative bacterium of the genus Legionella. L. pneumophila is the primary human pathogenic bacterium in this group and is the causative agent of legionellosis or Legionnaires' disease.-Characterization:L...

Legionellosis
Legionellosis
Legionellosis is a potentially fatal infectious disease caused by gram negative, aerobic bacteria belonging to the genus Legionella. Over 90% of legionellosis cases are caused by Legionella pneumophila, a ubiquitous aquatic organism that thrives in temperatures between , with an optimum temperature...

 (Pontiac fever)
Legionella pneumophila
Legionella pneumophila
Legionella pneumophila is a thin, ærobic, pleomorphic, flagellated, non-spore forming, Gram-negative bacterium of the genus Legionella. L. pneumophila is the primary human pathogenic bacterium in this group and is the causative agent of legionellosis or Legionnaires' disease.-Characterization:L...

Leishmaniasis
Leishmaniasis
Leishmaniasis is a disease caused by protozoan parasites that belong to the genus Leishmania and is transmitted by the bite of certain species of sand fly...

Leishmania
Leishmania
Leishmania is a genus of Trypanosomatid protozoa, and is the parasite responsible for the disease leishmaniasis. It is spread through sandflies of the genus Phlebotomus in the Old World, and of the genus Lutzomyia in the New World. Their primary hosts are vertebrates; Leishmania commonly infects...

genus
Leprosy
Leprosy
Leprosy or Hansen's disease is a chronic disease caused by the bacteria Mycobacterium leprae and Mycobacterium lepromatosis. Named after physician Gerhard Armauer Hansen, leprosy is primarily a granulomatous disease of the peripheral nerves and mucosa of the upper respiratory tract; skin lesions...

Mycobacterium leprae
Mycobacterium leprae
Mycobacterium leprae, also known as Hansen’s coccus spirilly, mostly found in warm tropical countries, is a bacterium that causes leprosy . It is an intracellular, pleomorphic, acid-fast bacterium. M. leprae is an aerobic bacillus surrounded by the characteristic waxy coating unique to mycobacteria...

and Mycobacterium lepromatosis
Mycobacterium lepromatosis
Mycobacterium lepromatosis is a bacterium that, along with Mycobacterium leprae, causes leprosy . It was only recently discovered, in 2008. Analysis of its 16S rRNA gene confirms that the species is distinct from Mycobacterium leprae.M.lepromatosis is an Acid Fast Bacilli which causes diffuse...

Leptospirosis
Leptospirosis
Leptospirosis is caused by infection with bacteria of the genus Leptospira, and affects humans as well as other mammals, birds, amphibians, and reptiles.The...

Leptospira
Leptospira
Leptospira is a genus of spirochaete bacteria, including a small number of pathogenic and saprophytic species...

genus
Listeriosis Listeria monocytogenes
Lyme disease
Lyme disease
Lyme disease, or Lyme borreliosis, is an emerging infectious disease caused by at least three species of bacteria belonging to the genus Borrelia. Borrelia burgdorferi sensu stricto is the main cause of Lyme disease in the United States, whereas Borrelia afzelii and Borrelia garinii cause most...

 (Lyme borreliosis)
usually Borrelia burgdorferi
Borrelia burgdorferi
Borrelia burgdorferi is a species of Gram negative bacteria of the spirochete class of the genus Borrelia. B. burgdorferi is predominant in North America, but also exists in Europe, and is the agent of Lyme disease....

and other Borrelia
Borrelia
Borrelia is a genus of bacteria of the spirochete phylum. It causes borreliosis, a zoonotic, vector-borne disease transmitted primarily by ticks and some by lice, depending on the species...

species
Lymphatic filariasis (Elephantiasis) Wuchereria bancrofti
Wuchereria bancrofti
Filaria, is a parasitic filarial nematode spread by a mosquito vector. It is one of the three parasites that cause lymphatic filariasis, an infection of the lymphatic system by filarial worms. It affects over 120 million people, primarily in Africa, South America, and other tropical and...

and Brugia malayi
Brugia malayi
Brugia malayi is a nematode , one of the three causative agents of lymphatic filariasis in humans. Lymphatic filariasis, also known as elephantiasis, is a condition characterized by swelling of the lower limbs. The two other filarial causes of lymphatic filariasis are Wuchereria bancrofti and...

Lymphocytic choriomeningitis
Lymphocytic choriomeningitis
Lymphocytic choriomeningitis , is a rodent-borne viral infectious disease that presents as aseptic meningitis, encephalitis or meningoencephalitis. Its causative agent is the Lymphocytic Choriomeningitis Virus , a member of the family Arenaviridae...

Lymphocytic choriomeningitis virus (LCMV)
Malaria
Malaria
Malaria is a mosquito-borne infectious disease of humans and other animals caused by eukaryotic protists of the genus Plasmodium. The disease results from the multiplication of Plasmodium parasites within red blood cells, causing symptoms that typically include fever and headache, in severe cases...

Plasmodium
Plasmodium
Plasmodium is a genus of parasitic protists. Infection by these organisms is known as malaria. The genus Plasmodium was described in 1885 by Ettore Marchiafava and Angelo Celli. Currently over 200 species of this genus are recognized and new species continue to be described.Of the over 200 known...

genus
Marburg
Marburg virus
Marburg virus disease is the name for the human disease caused by any of the two marburgviruses Marburg virus and Ravn virus...

 hemorrhagic fever (MHF)
Marburg virus
Marburg virus
Marburg virus disease is the name for the human disease caused by any of the two marburgviruses Marburg virus and Ravn virus...

Measles
Measles
Measles, also known as rubeola or morbilli, is an infection of the respiratory system caused by a virus, specifically a paramyxovirus of the genus Morbillivirus. Morbilliviruses, like other paramyxoviruses, are enveloped, single-stranded, negative-sense RNA viruses...

Measles virus
Melioidosis
Melioidosis
Melioidosis is an infectious disease caused by a Gram-negative bacterium, Burkholderia pseudomallei, found in soil and water. It is of public health importance in endemic areas, particularly in Thailand and northern Australia. It exists in acute and chronic forms. Symptoms may include pain in...

 (Whitmore's disease)
Burkholderia pseudomallei
Burkholderia pseudomallei
Burkholderia pseudomallei is a Gram-negative, bipolar, aerobic, motile rod-shaped bacterium. It infects humans and animals and causes the disease melioidosis. It is also capable of infecting plants....

Meningitis
Meningitis
Meningitis is inflammation of the protective membranes covering the brain and spinal cord, known collectively as the meninges. The inflammation may be caused by infection with viruses, bacteria, or other microorganisms, and less commonly by certain drugs...

multiple
Meningococcal disease Neisseria meningitidis
Neisseria meningitidis
Neisseria meningitidis, often referred to as meningococcus, is a bacterium that can cause meningitis and other forms of meningococcal disease such as meningococcemia, a life threatening sepsis. N. meningitidis is a major cause of morbidity and mortality during childhood in industrialized countries...

Metagonimiasis
Metagonimiasis
Metagonimiasis is a disease caused by an intestinal trematode, most commonly Metagonimus yokagawai, but sometimes by M. takashii or M. miyatai. The metagonimiasis causing flukes are one of two minute flukes called the heterophyids. Metagonimiasis was described by Katsurasa in 1911-1913 when he...

usually Metagonimus yokagawai
Microsporidiosis
Microsporidiosis
Microspridiosis is an opportunistic intestinal infection that causes diarrhea and wasting in immunocompromised individuals . It results from different species of microsporidia, a group of microbial fungi....

Microsporidia
Microsporidia
The microsporidia constitute a phylum of spore-forming unicellular parasites. They were once thought to be protists but are now known to be fungi. Loosely 1500 of the probably more than one million species are named now. Microsporidia are restricted to animal hosts, and all major groups of animals...

 phylum
Molluscum contagiosum
Molluscum contagiosum
Molluscum contagiosum is a viral infection of the skin or occasionally of the mucous membranes. It is caused by a DNA poxvirus called the molluscum contagiosum virus . MCV has no animal reservoir, infecting only humans. There are four types of MCV, MCV-1 to -4; MCV-1 is the most prevalent and...

 (MC)
Molluscum contagiosum virus
Molluscum contagiosum virus
The Molluscum contagiosum virus or MCV is a species of virus in the poxvirus family, which causes the disease Molluscum contagiosum in humans. Virions have a complex structure and is consistent with the structure of the poxvirus family: an envelope, surface membrane, core, and lateral bodies...

 (MCV)
Mumps
Mumps
Mumps is a viral disease of the human species, caused by the mumps virus. Before the development of vaccination and the introduction of a vaccine, it was a common childhood disease worldwide...

Mumps virus
Mumps virus
Mumps virus is the causative agent of mumps, a well-known common childhood disease characterised by swelling of the parotid glands and other epithelial tissues, causing high morbidity and in some cases more serious complications such as deafness...

Murine typhus
Murine typhus
Murine typhus is a form of typhus transmitted by fleas , usually on rats. Murine typhus is an under-recognized entity, as it is often confused with viral illnesses...

 (Endemic typhus)
Rickettsia typhi
Rickettsia typhi
Rickettsia typhi is a species of the genus Rickettsia.It is the causative agent of Murine typhus.The genome is similar to that of Rickettsia prowazekii.-References:...

Mycoplasma pneumonia
Mycoplasma pneumonia
Mycoplasma pneumonia is a form of bacterial pneumonia which is caused by the bacteria species Mycoplasma pneumoniae....

Mycoplasma pneumoniae
Mycoplasma pneumoniae
Mycoplasma pneumoniae is a very small bacterium in the class Mollicutes.It causes the disease mycoplasma pneumonia, a form of atypical bacterial pneumonia, and is related to cold agglutinin disease.-Cell wall/Treatment:...

Mycetoma
Mycetoma
Eumycetoma is a chronic, specific, granulomatous, fungal disease. It mainly affects the foot; and Mycetoma pedis is also known as Madura foot. This infection is endemic in Africa, India, and Central and South America.-Causes and presentation:...

numerous species of bacteria
Bacteria
Bacteria are a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria have a wide range of shapes, ranging from spheres to rods and spirals...

 (Actinomycetoma
Actinomycosis
Actinomycosis is an infectious bacterial disease caused by Actinomyces species such as Actinomyces israelii or A. gerencseriae. It can also be caused by Propionibacterium propionicus, and the condition is likely to be polymicrobial aerobic anaerobic infection.Actinomycosis occurs rarely in humans...

) and fungi (Eumycetoma
Eumycetoma
Eumycetoma is a chronic, specific, granulomatous, fungal disease. It mainly affects the foot; and Mycetoma pedis is also known as Madura foot. This infection is endemic in Africa, India, and Central and South America.-Causes and presentation:...

)
Myiasis
Myiasis
Myiasis is a general term for infection by parasitic fly larvae feeding on the host's necrotic or living tissue. Colloquialisms for myiasis include flystrike, blowfly strike, and fly-blown. In Greek, "myia" means fly....

parasitic dipterous
Diptera
Diptera , or true flies, is the order of insects possessing only a single pair of wings on the mesothorax; the metathorax bears a pair of drumstick like structures called the halteres, the remnants of the hind wings. It is a large order, containing an estimated 240,000 species, although under half...

 fly larvae
Neonatal conjunctivitis (Ophthalmia neonatorum) most commonly Chlamydia trachomatis
Chlamydia trachomatis
Chlamydia trachomatis, an obligate intracellular human pathogen, is one of three bacterial species in the genus Chlamydia. C. trachomatis is a Gram-negative bacteria, therefore its cell wall components retain the counter-stain safranin and appear pink under a light microscope.The inclusion bodies...

and Neisseria gonorrhoeae
Neisseria gonorrhoeae
Neisseria gonorrhoeae, also known as gonococci , or gonococcus , is a species of Gram-negative coffee bean-shaped diplococci bacteria responsible for the sexually transmitted infection gonorrhea.N...

(New) Variant Creutzfeldt-Jakob disease (vCJD, nvCJD) vCJD prion
Nocardiosis
Nocardiosis
Nocardiosis is an infectious disease affecting either the lungs or the whole body . It is due to infection by bacterium of the genus Nocardia, most commonly Nocardia asteroides or Nocardia brasiliensis.It is most common in men, especially those with a compromised immune system...

usually Nocardia asteroides
Nocardia asteroides
Nocardia asteroides is a species of Nocardia.It can cause Nocardiosis, a severe pulmonary infection in immunocompromised hosts....

and other Nocardia
Nocardia
Nocardia is a genus of weakly staining Gram-positive, catalase-positive, rod-shaped bacteria. It forms partially acid-fast beaded branching filaments . It has a total of 85 species. Some species are non-pathogenic while others are responsible for nocardiosis. Nocardia are found worldwide in soil...

species
Onchocerciasis
Onchocerciasis
Onchocerciasis , also known as river blindness and Robles' disease, is a parasitic disease caused by infection by Onchocerca volvulus, a nematode . Onchocerciasis is the world's second-leading infectious cause of blindness. It is not the nematode, but its endosymbiont, Wolbachia pipientis, that...

 (River blindness)
Onchocerca volvulus
Onchocerca volvulus
Onchocerca volvulus is a nematode that causes onchocerciasis or "river blindness" mostly in Africa. Long-term corneal inflammation, or keratitis, leads to thickening of the corneal stroma which ultimately leads to blindness. Humans are the only definitive host for O. volvulus. The intermediate host...

Paracoccidioidomycosis
Paracoccidioidomycosis
Paracoccidioidomycosis is a mycosis caused by the fungus Paracoccidioides brasiliensis...

 (South American blastomycosis)
Paracoccidioides brasiliensis
Paracoccidioides brasiliensis
Paracoccidioides brasiliensis is a dimorphic species of fungus responsible for paracoccidioidomycosis. While the route of infection is assumed to be via inhalation, the environmental habit of P. brasiliensis is unknown...

Paragonimiasis
Paragonimiasis
Paragonimiasis is a food-borne parasitic infection caused by the lung fluke, most commonly Paragonimus westermani. It infects an estimated 22 million people worldwide. It is particularly common in East Asia. More than 30 species of trematodes of the genus Paragonimus have been reported which...

usually Paragonimus westermani
Paragonimus westermani
Paragonimus westermani is a lung fluke and is most prominent in Asia and South America. It was discovered from two Bengal tigers that died in zoos in Europe in 1878...

and other Paragonimus
Paragonimus
Paragonimus is an important genus of flatworms, or platyhelminths, that includes Paragonimus westermani, an infectious lung fluke endemic to Asia....

species
Pasteurellosis
Pasteurellosis
Pasteurellosis is an infection with a species of the bacteria genus Pasteurella, which is found in humans and animals.Pasteurella multocida is carried in mouth and respiratory tract of several animals, notably cats. It is a small Gram negative bacillus with bipolar staining by Wayson stain...

Pasteurella
Pasteurella
Pasteurella is a genus of Gram-negative, facultatively anaerobic bacteria. Pasteurella species are non-motile and pleomorphic. Most species are catalase-positive and oxidase-positive....

genus
Pediculosis capitis (Head lice) Pediculus humanus capitis
Head louse
The head louse is an obligate ectoparasite of humans. Head lice are wingless insects spending their entire life on human scalp and feeding exclusively on human blood...

Pediculosis corporis
Pediculosis corporis
Pediculosis corporis is a cutaneous condition caused by body lice that lay their eggs in the seams of clothing.- See also :* Pediculosis* Skin lesion...

 (Body lice)
Pediculus humanus corporis
Body louse
The body louse is a louse which infests humans. The condition of being infested with head lice, body lice, or pubic lice is known as pediculosis.-Origins:...

Pediculosis pubis
Pediculosis pubis
Pediculosis pubis is a disease caused by the crab louse Phthirus pubis, a parasitic insect notorious for infesting human pubic hair. The species may also live on other areas with hair, including the eyelashes causing pediculosis ciliaris. Infestation usually lead to intense itching in the pubic area...

 (Pubic lice, Crab lice)
Phthirus pubis
Crab louse
Crab lice are parasitic insects notorious for infesting human pubic hair. The species may also live on other areas with hair, including the eyelashes. They feed exclusively on blood...

Pelvic inflammatory disease
Pelvic inflammatory disease
Pelvic inflammatory disease is a generic term for inflammation of the uterus, fallopian tubes, and/or ovaries as it progresses to scar formation with adhesions to nearby tissues and organs. This may lead to infections. PID is a vague term and can refer to viral, fungal, parasitic, though most...

 (PID)
multiple
Pertussis
Pertussis
Pertussis, also known as whooping cough , is a highly contagious bacterial disease caused by Bordetella pertussis. Symptoms are initially mild, and then develop into severe coughing fits, which produce the namesake high-pitched "whoop" sound in infected babies and children when they inhale air...

 (Whooping cough)
Bordetella pertussis
Bordetella pertussis
Bordetella pertussis is a Gram-negative, aerobic coccobacillus of the genus Bordetella, and the causative agent of pertussis or whooping cough. Unlike B. bronchiseptica, B. pertussis is non-motile. Its virulence factors include pertussis toxin, filamentous hæmagglutinin, pertactin, fimbria, and...

Plague Yersinia pestis
Yersinia pestis
Yersinia pestis is a Gram-negative rod-shaped bacterium. It is a facultative anaerobe that can infect humans and other animals....

Pneumococcal infection
Pneumococcal infection
- Pathogenesis :S. pneumoniae is normally found in the nasopharynx of 5-10% of healthy adults, and 20-40% of healthy children. It can be found in higher amounts in certain environments, especially those where people are spending a great deal of time in close proximity to each other...

Streptococcus pneumoniae
Streptococcus pneumoniae
Streptococcus pneumoniae, or pneumococcus, is Gram-positive, alpha-hemolytic, aerotolerant anaerobic member of the genus Streptococcus. A significant human pathogenic bacterium, S...

Pneumocystis pneumonia
Pneumocystis pneumonia
Pneumocystis pneumonia or pneumocystosis is a form of pneumonia, caused by the yeast-like fungus Pneumocystis jirovecii...

 (PCP)
Pneumocystis jirovecii
Pneumocystis jirovecii
Pneumocystis jirovecii is a yeast-like fungus of the genus Pneumocystis. The causative organism of Pneumocystis pneumonia, it is an important human pathogen, particularly among immunocompromised hosts. Prior to its discovery as a human-specific pathogen, P. jirovecii was known as P...

Pneumonia
Pneumonia
Pneumonia is an inflammatory condition of the lung—especially affecting the microscopic air sacs —associated with fever, chest symptoms, and a lack of air space on a chest X-ray. Pneumonia is typically caused by an infection but there are a number of other causes...

multiple
Poliomyelitis
Poliomyelitis
Poliomyelitis, often called polio or infantile paralysis, is an acute viral infectious disease spread from person to person, primarily via the fecal-oral route...

Poliovirus
Poliovirus
Poliovirus, the causative agent of poliomyelitis, is a human enterovirus and member of the family of Picornaviridae.Poliovirus is composed of an RNA genome and a protein capsid. The genome is a single-stranded positive-sense RNA genome that is about 7500 nucleotides long. The viral particle is...

Prevotella
Prevotella
Prevotella is a genus of bacteria.Bacteroides melaninogenicus has recently been reclassified and split into Prevotella melaninogenica and Prevotella intermedia....

infection
Prevotella
Prevotella
Prevotella is a genus of bacteria.Bacteroides melaninogenicus has recently been reclassified and split into Prevotella melaninogenica and Prevotella intermedia....

genus
Primary amoebic meningoencephalitis
Primary amoebic meningoencephalitis
Primary amoebic meningoencephalitis is a disease of the central nervous system caused by infection from Naegleria fowleri.-Presentation:...

 (PAM)
usually Naegleria fowleri
Naegleria fowleri
Naegleria fowleri is a free-living excavate form of protist typically found in warm bodies of fresh water, such as ponds, lakes, rivers, and hot springs. It is also found in soil, near warm-water discharges of industrial plants, and unchlorinated swimming pools in an amoeboid or temporary...

Progressive multifocal leukoencephalopathy
Progressive multifocal leukoencephalopathy
Progressive multifocal leukoencephalopathy , also known as progressive multifocal leukoencephalitis, is a rare and usually fatal viral disease that is characterized by progressive damage or inflammation of the white matter of the brain at multiple locations .It occurs almost exclusively in...

JC virus
JC virus
The JC virus or John Cunningham virus is a type of human polyomavirus and is genetically similar to BK virus and SV40. It was discovered in 1971 and named using the two initials of a patient with progressive multifocal leukoencephalopathy...

Psittacosis
Psittacosis
In medicine , psittacosis — also known as parrot disease, parrot fever, and ornithosis — is a zoonotic infectious disease caused by a bacterium called Chlamydophila psittaci and contracted from parrots, such as macaws, cockatiels and budgerigars, and pigeons, sparrows, ducks, hens, gulls and many...

Chlamydophila psittaci
Chlamydophila psittaci
Chlamydophila psittaci is a lethal intracellular bacterial species that may cause endemic avian chlamydiosis, epizootic outbreaks in mammals, and respiratory psittacosis in humans. Chlamydophila psittaci is transmitted by inhalation, contact or ingestion among birds and to mammals...

Q fever
Q fever
Q fever is a disease caused by infection with Coxiella burnetii, a bacterium that affects humans and other animals. This organism is uncommon but may be found in cattle, sheep, goats and other domestic mammals, including cats and dogs...

Coxiella burnetii
Coxiella burnetii
Coxiella burnetii is an obligate intracellular bacterial pathogen, and is the causative agent of Q fever. The genus Coxiella is morphologically similar to Rickettsia, but with a variety of genetic and physiological differences. C...

Rabies
Rabies
Rabies is a viral disease that causes acute encephalitis in warm-blooded animals. It is zoonotic , most commonly by a bite from an infected animal. For a human, rabies is almost invariably fatal if post-exposure prophylaxis is not administered prior to the onset of severe symptoms...

Rabies virus
Rabies virus
The rabies virus is neurotropic virus that causes fatal disease in human and animals. Rabies transmission can occur through the saliva of animals....

Rat-bite fever
Rat-bite fever
Rat-bite fever is an acute, febrile human illness caused by bacteria transmitted by rodents, rats in most cases, which is passed from rodent to human via the rodent's urine or mucous secretions. Alternative names for rat bite fever include streptobacillary fever, streptobacillosis, spirillary...

Streptobacillus moniliformis
Streptobacillus moniliformis
Streptobacillus moniliformis is a species of bacteria. It is gram-negative, long and thin bacteria.Treatment: penicilin, doxycycline.It can cause Rat bite fever. and Haverhill fever-References:...

and Spirillum minus
Spirillum minus
Spirillum minus is a species of Spirillum.Spirillum minus is associated with rat-bite fever....

Respiratory syncytial virus infection Respiratory syncytial virus (RSV)
Rhinosporidiosis
Rhinosporidiosis
-Classification:This organism was previously considered to be a fungus, and rhinosporidiosis is classified as a fungal disease under ICD-10.It is now considered to be a parasite, classified under Mesomycetozoea....

Rhinosporidium seeberi
Rhinosporidium seeberi
Rhinosporidium seeberi is a eukaryotic pathogen responsible for rhinosporidiosis, a disease which affects humans, horses, dogs, and to a lesser extent cattle, cats, foxes, and birds...

Rhinovirus
Rhinovirus
Human rhinoviruses are the most common viral infective agents in humans and are the predominant cause of the common cold. Rhinovirus infection proliferates in temperatures between 33–35 °C , and this may be why it occurs primarily in the nose...

 infection
Rhinovirus
Rhinovirus
Human rhinoviruses are the most common viral infective agents in humans and are the predominant cause of the common cold. Rhinovirus infection proliferates in temperatures between 33–35 °C , and this may be why it occurs primarily in the nose...

Rickettsial
Rickettsia
Rickettsia is a genus of non-motile, Gram-negative, non-sporeforming, highly pleomorphic bacteria that can present as cocci , rods or thread-like . Being obligate intracellular parasites, the Rickettsia survival depends on entry, growth, and replication within the cytoplasm of eukaryotic host cells...

 infection
Rickettsia
Rickettsia
Rickettsia is a genus of non-motile, Gram-negative, non-sporeforming, highly pleomorphic bacteria that can present as cocci , rods or thread-like . Being obligate intracellular parasites, the Rickettsia survival depends on entry, growth, and replication within the cytoplasm of eukaryotic host cells...

genus
Rickettsialpox
Rickettsialpox
Rickettsialpox is an illness caused by bacteria of the Rickettsia genus . Physician Robert Huebner and self-trained entomologist Charles Pomerantz played major roles in identifying the etiology of the disease after an outbreak in 1946 in a New York City apartment complex, documented in medical...

Rickettsia akari
Rickettsia akari
Rickettsia akari is a species of Rickettsia which causes rickettsialpox.After a 1946 outbreak of a rickettsial-type disease at an apartment complex in Kew Gardens, Queens, an investigation was performed to identify the source of the infections...

Rift Valley fever
Rift Valley fever
Rift Valley Fever is a viral zoonosis causing fever. It is spread by the bite of infected mosquitoes, typically the Aedes or Culex genera. The disease is caused by the RVF virus, a member of the genus Phlebovirus...

 (RVF)
Rift Valley fever virus
Rocky mountain spotted fever
Rocky Mountain spotted fever
Rocky Mountain spotted fever is the most lethal and most frequently reported rickettsial illness in the United States. It has been diagnosed throughout the Americas. Some synonyms for Rocky Mountain spotted fever in other countries include “tick typhus,” “Tobia fever” , “São Paulo fever” or “febre...

 (RMSF)
Rickettsia rickettsii
Rickettsia rickettsii
Rickettsia rickettsii is a unicellular, gram-negative coccobacillus that is native to the New World. It belongs to the spotted fever group of Rickettsia and is most commonly known as the causative agent of Rocky Mountain spotted fever . By nature, R...

Rotavirus
Rotavirus
Rotavirus is the most common cause of severe diarrhoea among infants and young children, and is one of several viruses that cause infections often called stomach flu, despite having no relation to influenza. It is a genus of double-stranded RNA virus in the family Reoviridae. By the age of five,...

 infection
Rotavirus
Rotavirus
Rotavirus is the most common cause of severe diarrhoea among infants and young children, and is one of several viruses that cause infections often called stomach flu, despite having no relation to influenza. It is a genus of double-stranded RNA virus in the family Reoviridae. By the age of five,...

Rubella
Rubella
Rubella, commonly known as German measles, is a disease caused by the rubella virus. The name "rubella" is derived from the Latin, meaning little red. Rubella is also known as German measles because the disease was first described by German physicians in the mid-eighteenth century. This disease is...

Rubella virus
Rubella virus
Rubella virus is the pathogenic agent of the disease Rubella, and is the cause of congenital rubella syndrome when infection occurs during the first weeks of lunacy.Humans are the only known host of this virus....

Salmonellosis
Salmonellosis
Salmonellosis is an infection with Salmonella bacteria. Most people infected with Salmonella develop diarrhea, fever, vomiting, and abdominal cramps 12 to 72 hours after infection. In most cases, the illness lasts four to seven days, and most people recover without treatment...

Salmonella
Salmonella
Salmonella is a genus of rod-shaped, Gram-negative, non-spore-forming, predominantly motile enterobacteria with diameters around 0.7 to 1.5 µm, lengths from 2 to 5 µm, and flagella which grade in all directions . They are chemoorganotrophs, obtaining their energy from oxidation and reduction...

genus
SARS (Severe Acute Respiratory Syndrome
Severe acute respiratory syndrome
Severe Acute Respiratory Syndrome is a respiratory disease in humans which is caused by the SARS coronavirus . Between November 2002 and July 2003 an outbreak of SARS in Hong Kong nearly became a pandemic, with 8,422 cases and 916 deaths worldwide according to the WHO...

)
SARS coronavirus
SARS coronavirus
The SARS coronavirus, sometimes shortened to SARS-CoV, is the virus that causes severe acute respiratory syndrome . On April 16, 2003, following the outbreak of SARS in Asia and secondary cases elsewhere in the world, the World Health Organization issued a press release stating that the...

Scabies
Scabies
Scabies , known colloquially as the seven-year itch, is a contagious skin infection that occurs among humans and other animals. It is caused by a tiny and usually not directly visible parasite, the mite Sarcoptes scabiei, which burrows under the host's skin, causing intense allergic itching...

Sarcoptes scabiei
Sarcoptes scabiei
Sarcoptes scabiei or the itch mite is a parasitic arthropod that burrows into skin and causes scabies. Animals affected include not only human but also wild and domesticated dogs and cats in which it is one cause of mange...

Schistosomiasis
Schistosomiasis
Schistosomiasis is a parasitic disease caused by several species of trematodes , a parasitic worm of the genus Schistosoma. Snails often act as an intermediary agent for the infectious diseases until a new human host is found...

Schistosoma
Schistosoma
A genus of trematodes, Schistosoma, commonly known as blood-flukes and bilharzia, includes flatworms which are responsible for a highly significant parasitic infection of humans by causing the disease schistosomiasis, and are considered by the World Health Organization as the second most...

genus
Sepsis
Sepsis
Sepsis is a potentially deadly medical condition that is characterized by a whole-body inflammatory state and the presence of a known or suspected infection. The body may develop this inflammatory response by the immune system to microbes in the blood, urine, lungs, skin, or other tissues...

multiple
Shigellosis
Shigellosis
Shigellosis, also known as bacillary dysentery or Marlow Syndrome, in its most severe manifestation, is a foodborne illness caused by infection by bacteria of the genus Shigella. Shigellosis rarely occurs in animals other than humans and other primates like monkeys and chimpanzees...

 (Bacillary dysentery)
Shigella
Shigella
Shigella is a genus of Gram-negative, nonspore forming, non-motile, rod-shaped bacteria closely related to Escherichia coli and Salmonella. The causative agent of human shigellosis, Shigella causes disease in primates, but not in other mammals. It is only naturally found in humans and apes. During...

genus
Shingles (Herpes zoster)
Herpes zoster
Herpes zoster , commonly known as shingles and also known as zona, is a viral disease characterized by a painful skin rash with blisters in a limited area on one side of the body, often in a stripe...

Varicella zoster virus (VZV)
Varicella zoster virus
Varicella zoster virus is one of eight herpes viruses known to infect humans . It commonly causes chicken-pox in children and Herpes zoster in adults and rarely in children.-Nomenclature:...

Smallpox
Smallpox
Smallpox was an infectious disease unique to humans, caused by either of two virus variants, Variola major and Variola minor. The disease is also known by the Latin names Variola or Variola vera, which is a derivative of the Latin varius, meaning "spotted", or varus, meaning "pimple"...

 (Variola)
Variola major or Variola minor
Sporotrichosis
Sporotrichosis
Sporotrichosis is a disease caused by the infection of the fungus Sporothrix schenckii. This fungal disease usually affects the skin, although other rare forms can affect the lungs, joints, bones, and even the brain...

Sporothrix schenckii
Sporothrix schenckii
Sporothrix schenckii is a thermally dimorphic fungus that can be found world-wide.The species is present in soil, and in vital and decomposing plant material such as peat moss. Colonies grow moderately rapidly at . They are moist, leathery to velvety, and have a finely wrinkled surface...

Staphylococcal food poisoning Staphylococcus
Staphylococcus
Staphylococcus is a genus of Gram-positive bacteria. Under the microscope they appear round , and form in grape-like clusters....

genus
Staphylococcal infection
Staphylococcal infection
Staphylococcus is a genus of Gram-positive bacteria which includes several species that can cause a wide variety of infections in humans and other animals through either toxin production or invasion....

Staphylococcus
Staphylococcus
Staphylococcus is a genus of Gram-positive bacteria. Under the microscope they appear round , and form in grape-like clusters....

genus
Strongyloidiasis
Strongyloidiasis
Strongyloidiasis is a human parasitic disease caused by the nematode Strongyloides stercoralis, or sometimes S. fülleborni. It can cause a number of symptoms in people, principally skin symptoms, abdominal pain, diarrhea and weight loss...

Strongyloides stercoralis
Strongyloides stercoralis
Strongyloides stercoralis, also known as the threadworm, is the scientific name of a human parasitic roundworm causing the disease of strongyloidiasis....

Syphilis
Syphilis
Syphilis is a sexually transmitted infection caused by the spirochete bacterium Treponema pallidum subspecies pallidum. The primary route of transmission is through sexual contact; however, it may also be transmitted from mother to fetus during pregnancy or at birth, resulting in congenital syphilis...

Treponema pallidum
Treponema pallidum
Treponema pallidum is a species of spirochaete bacterium with subspecies that cause treponemal diseases such as syphilis, bejel, pinta and yaws. The treponemes have a cytoplasmic and outer membrane...

Taeniasis
Taeniasis
Taeniasis is a form of tapeworm infection which is caused by tapeworms of the genius Taenia.The two most important human pathogens in the genus are Taenia solium and Taenia saginata . Infection is acquired by eating undercooked contaminated meat. The adult worms live in the lumen of the intestine...

Taenia
Taenia
Taenia can refer to:* Taenia of Doric columnsIn medicine and anatomy* Taenia coli of the large intestine* Taenia thalami of the mammal brain* Taenia of fourth ventricle of the mammal brain...

genus
Tetanus
Tetanus
Tetanus is a medical condition characterized by a prolonged contraction of skeletal muscle fibers. The primary symptoms are caused by tetanospasmin, a neurotoxin produced by the Gram-positive, rod-shaped, obligate anaerobic bacterium Clostridium tetani...

 (Lockjaw)
Clostridium tetani
Clostridium tetani
Clostridium tetani is a rod-shaped, anaerobic bacterium of the genus Clostridium. Like other Clostridium species, it is Gram-positive, and its appearance on a gram stain resembles tennis rackets or drumsticks. C. tetani is found as spores in soil or in the gastrointestinal tract of animals. C...

Tinea barbae
Tinea barbae
Tinea barbæ is a fungal infection of the hair. Tinea barbae is due to a dermatophytic infection around the bearded area of men. Generally, the infection occurs as a follicular inflammation, or as a cutaneous granulomatous lesion, i.e. a chronic inflammatory reaction. It is one of the causes of...

 (Barber's itch)
usually Trichophyton
Trichophyton
The fungus genus Trichophyton is characterized by the development of both smooth-walled macro- and microconidia. Macroconidia are mostly borne laterally directly on the hyphae or on short pedicels, and are thin- or thick-walled, clavate to fusiform, and range from 4 to 8 by 8 to 50 um in size....

genus
Tinea capitis
Tinea capitis
Tinea capitis is a superficial fungal infection of the scalp. The disease is primarily caused by dermatophytes in the Trichophyton and Microsporum genera that invade the hair shaft...

 (Ringworm of the Scalp)
usually Trichophyton tonsurans
Trichophyton tonsurans
Trichophyton tonsurans is a species of fungus in the Arthrodermataceae family. It is a common cause of tinea capitis in the United Kingdom....

Tinea corporis
Tinea corporis
Tinea corporis is a superficial fungal infection of the arms and legs, especially on glabrous skin, however it may occur on any part of the body.-Symptoms:...

 (Ringworm of the Body)
usually Trichophyton
Trichophyton
The fungus genus Trichophyton is characterized by the development of both smooth-walled macro- and microconidia. Macroconidia are mostly borne laterally directly on the hyphae or on short pedicels, and are thin- or thick-walled, clavate to fusiform, and range from 4 to 8 by 8 to 50 um in size....

genus
Tinea cruris (Jock itch) usually Epidermophyton floccosum
Epidermophyton floccosum
Epidermophyton floccosum is an anthropophilic dermatophyte which can be found world-wide.-Taxonomy:The fungus was originally described by Carl Otto Harz in 1870, who named it Acrothecium floccosum...

, Trichophyton rubrum
Trichophyton rubrum
Trichophyton rubrum is a fungus that is the most common cause of athlete's foot, jock itch and ringworm. This fungus was first described by Malmsten in 1845....

, and Trichophyton mentagrophytes
Tinea manuum
Tinea manuum
Tinea Manuum is a fungal infection of the hand. It is typically more aggressive than tinea pedis but similar in look. Itching, burning, cracking, and scaling are observable and may be transmitted sexually or otherwise, whether or not symptoms are present....

 (Ringworm of the Hand)
Trichophyton rubrum
Trichophyton rubrum
Trichophyton rubrum is a fungus that is the most common cause of athlete's foot, jock itch and ringworm. This fungus was first described by Malmsten in 1845....

Tinea nigra
Tinea nigra
Tinea Nigra is a superficial fungal infection that causes dark brown to black painless patches on the palms of the hands and the soles of the feet.- Causes :...

usually Hortaea werneckii
Hortaea werneckii
Hortaea werneckii is a Hortaea species.It causes Tinea nigra. This skin infection causes non-scaly, smooth, brown-black painless spots on the palms of hands and soles of feet.Young cells appear brown because of melanin production in the cell wall....

Tinea pedis (Athlete’s foot) usually Trichophyton
Trichophyton
The fungus genus Trichophyton is characterized by the development of both smooth-walled macro- and microconidia. Macroconidia are mostly borne laterally directly on the hyphae or on short pedicels, and are thin- or thick-walled, clavate to fusiform, and range from 4 to 8 by 8 to 50 um in size....

genus
Tinea unguium
Onychomycosis
Onychomycosis means fungal infection of the nail. It is the most common disease of the nails and constitutes about a half of all nail abnormalities....

 (Onychomycosis)
usually Trichophyton
Trichophyton
The fungus genus Trichophyton is characterized by the development of both smooth-walled macro- and microconidia. Macroconidia are mostly borne laterally directly on the hyphae or on short pedicels, and are thin- or thick-walled, clavate to fusiform, and range from 4 to 8 by 8 to 50 um in size....

genus
Tinea versicolor
Tinea versicolor
Tinea versicolor is a condition characterized by a rash on the trunk and proximal extremities. Recent research has shown that the majority of Tinea versicolor is caused by the Malassezia globosa fungus, although Malassezia furfur is responsible for a small number of cases...

 (Pityriasis versicolor)
Malassezia genus
Toxocariasis
Toxocariasis
-History of discovery:Werner described a parasitic nematode in dogs in 1782 which he named Ascaris canis. Johnston determined that what Werner had described was actually a member of the genus Toxocara established by Stiles in 1905. Fữlleborn speculated that T canis larvae might cause granulomatous...

 (Ocular Larva Migrans (OLM))
Toxocara canis
Toxocara canis
Toxocara canis is worldwide distributed helminth parasite of dogs and other canids. T. canis are gonochorists, adult worms measure from 9 to 18 cm, are yellow-white in color, and occur in the intestine of the definitive host. In adult dogs, the infection is usually asymptomatic. By the...

or Toxocara cati
Toxocara cati
Toxocara cati is worldwide distributed parasite of cats and other felids and it is one of the most common nematode of cats. Adult worms are localised in gut of the host. In adult cats, the infection is usually asymptomatic. However, massive infection in juvenile cats can be fatal.-External links:*...

Toxocariasis
Toxocariasis
-History of discovery:Werner described a parasitic nematode in dogs in 1782 which he named Ascaris canis. Johnston determined that what Werner had described was actually a member of the genus Toxocara established by Stiles in 1905. Fữlleborn speculated that T canis larvae might cause granulomatous...

 (Visceral Larva Migrans (VLM))
Toxocara canis
Toxocara canis
Toxocara canis is worldwide distributed helminth parasite of dogs and other canids. T. canis are gonochorists, adult worms measure from 9 to 18 cm, are yellow-white in color, and occur in the intestine of the definitive host. In adult dogs, the infection is usually asymptomatic. By the...

or Toxocara cati
Toxocara cati
Toxocara cati is worldwide distributed parasite of cats and other felids and it is one of the most common nematode of cats. Adult worms are localised in gut of the host. In adult cats, the infection is usually asymptomatic. However, massive infection in juvenile cats can be fatal.-External links:*...

Toxoplasmosis
Toxoplasmosis
Toxoplasmosis is a parasitic disease caused by the protozoan Toxoplasma gondii. The parasite infects most genera of warm-blooded animals, including humans, but the primary host is the felid family. Animals are infected by eating infected meat, by ingestion of feces of a cat that has itself...

Toxoplasma gondii
Toxoplasma gondii
Toxoplasma gondii is a species of parasitic protozoa in the genus Toxoplasma. The definitive host of T. gondii is the cat, but the parasite can be carried by many warm-blooded animals . Toxoplasmosis, the disease of which T...

Trichinellosis Trichinella spiralis
Trichinella spiralis
Trichinella spiralis is a nematode parasite, occurring in rats, pigs, bears and humans, and is responsible for the disease trichinosis. It is sometimes referred to as the "pork worm" due to it being found commonly in undercooked pork products...

Trichomoniasis
Trichomoniasis
Trichomoniasis, sometimes referred to as "trich", is a common cause of vaginitis. It is a sexually transmitted disease, and is caused by the single-celled protozoan parasite Trichomonas vaginalis producing mechanical stress on host cells and then ingesting cell fragments after cell death...

Trichomonas vaginalis
Trichomonas vaginalis
Trichomonas vaginalis is an anaerobic, flagellated protozoan, a form of microorganism. The parasitic microorganism is the causative agent of trichomoniasis, and is the most common pathogenic protozoan infection of humans in industrialized countries. Infection rates between men and women are the...

Trichuriasis
Trichuriasis
Trichuriasis is a parasitic infection primarily in the tissue of the cecum, appendix, colon and rectum that is caused by Trichuris trichiura , an intestinal parasitic nematode .-Agent :...

 (Whipworm infection)
Trichuris trichiura
Tuberculosis
Tuberculosis
Tuberculosis, MTB, or TB is a common, and in many cases lethal, infectious disease caused by various strains of mycobacteria, usually Mycobacterium tuberculosis. Tuberculosis usually attacks the lungs but can also affect other parts of the body...

usually Mycobacterium tuberculosis
Mycobacterium tuberculosis
Mycobacterium tuberculosis is a pathogenic bacterial species in the genus Mycobacterium and the causative agent of most cases of tuberculosis . First discovered in 1882 by Robert Koch, M...

Tularemia
Tularemia
Tularemia is a serious infectious disease caused by the bacterium Francisella tularensis. A Gram-negative, nonmotile coccobacillus, the bacterium has several subspecies with varying degrees of virulence. The most important of those is F...

Francisella tularensis
Francisella tularensis
Francisella tularensis is a pathogenic species of gram-negative bacteria and the causative agent of tularemia or rabbit fever. It is a facultative intracellular bacterium....

Ureaplasma urealyticum
Ureaplasma urealyticum
Ureaplasma urealyticum is a bacterium belonging to the family Mycoplasmataceae. Its type strain is T960.-Clinical significance:U. urealyticum is part of the normal genital flora of both men and women...

infection
Ureaplasma urealyticum
Ureaplasma urealyticum
Ureaplasma urealyticum is a bacterium belonging to the family Mycoplasmataceae. Its type strain is T960.-Clinical significance:U. urealyticum is part of the normal genital flora of both men and women...

Venezuelan equine encephalitis Venezuelan equine encephalitis virus
Venezuelan equine encephalitis virus
Venezuelan equine encephalitis virus is a mosquito-borne viral pathogen that causes Venezuelan equine encephalitis or encephalomyelitis . VEE can affect all equine species, such as horses, donkeys, and zebras. After infection, equines may suddenly die or show progressive central nervous system...

Venezuelan hemorrhagic fever
Venezuelan hemorrhagic fever
Venezuelan hemorrhagic fever is a zoonotic human illness, first identified in 1989.-Presentation:It causes fever and malaise followed by hemorrhagic manifestations and convulsions. It is fatal in 30% of cases. The disease is endemic to Portuguesa state and Barinas state in Venezuela . This virus...

Guanarito virus
Viral pneumonia
Viral pneumonia
Viral pneumonia is a pneumonia caused by a virus.Viruses are one of the two major causes of pneumonia, the other being bacteria; less common causes are fungi and parasites...

multiple viruses
West Nile Fever
West Nile virus
West Nile virus is a virus of the family Flaviviridae. Part of the Japanese encephalitis antigenic complex of viruses, it is found in both tropical and temperate regions. It mainly infects birds, but is known to infect humans, horses, dogs, cats, bats, chipmunks, skunks, squirrels, domestic...

West Nile virus
West Nile virus
West Nile virus is a virus of the family Flaviviridae. Part of the Japanese encephalitis antigenic complex of viruses, it is found in both tropical and temperate regions. It mainly infects birds, but is known to infect humans, horses, dogs, cats, bats, chipmunks, skunks, squirrels, domestic...

White piedra
White piedra
White piedra is a mycosis of the hair caused by several species of fungi in the genus Trichosporon. It is characterized by soft nodules composed of yeast cells and arthroconidia that encompass hair shafts.-Treatment:...

 (Tinea blanca)
Trichosporon beigelii
Trichosporon beigelii
Trichosporon beigelii is a species of fungus in the family Trichosporonaceae. It is a yeast that was formerly considered to be the cause of an unpleasant hair condition called white piedra and also the cause of a more serious severe opportunistic infection in immunocompromised individuals...

Yersinia pseudotuberculosis
Yersinia pseudotuberculosis
Yersinia pseudotuberculosis is a Gram-negative bacterium that causes Pseudotuberculosis disease in animals; humans occasionally get infected zoonotically, most often through the food-borne route.-Pathogenesis:In animals, Y...

infection
Yersinia pseudotuberculosis
Yersinia pseudotuberculosis
Yersinia pseudotuberculosis is a Gram-negative bacterium that causes Pseudotuberculosis disease in animals; humans occasionally get infected zoonotically, most often through the food-borne route.-Pathogenesis:In animals, Y...

Yersiniosis
Yersiniosis
Yersiniosis is an infectious disease caused by a bacterium of the genus Yersinia. In the United States, most yersiniosis infections among humans are caused by Y. enterocolitica. Yersiniosis is mentioned as a specific zoonotic disease to prevent outbreaks in European Council Directive...

Yersinia enterocolitica
Yersinia enterocolitica
Yersinia enterocolitica is a species of gram-negative coccobacillus-shaped bacterium, belonging to the family Enterobacteriaceae. Yersinia enterocolitica infection causes the disease yersiniosis, which is a zoonotic disease occurring in humans as well as a wide array of animals such as cattle,...

Yellow fever
Yellow fever
Yellow fever is an acute viral hemorrhagic disease. The virus is a 40 to 50 nm enveloped RNA virus with positive sense of the Flaviviridae family....

Yellow fever virus
Zygomycosis Mucorales
Mucorales
The Mucorales is the largest and best studied order of Zygomycete fungi. Members of this order are sometimes called pin molds.-Systematics:...

 order (Mucormycosis) and Entomophthorales
Entomophthorales
The Entomophthorales are an order of fungi that were previously classified in the class Zygomycetes. A new subphylum, Entomophthoromycotina, has recently been described for them.Most species of the Entomophthorales are pathogens of insects...

 order (Entomophthoramycosis)

See also

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