Robbie Gerth is a fictional character at HBO drama Oz

Oz (TV series)

Oz is an American television drama series created by Tom Fontana, who also wrote or co-wrote all of the series' 56 episodes . It was the first one-hour dramatic television series to be produced by premium cable network HBO. Oz premiered on July 12, 1997 and ran for six seasons...

 played by Patrick Breen

Patrick Breen

Joseph Patrick Breen is an American actor. He has acted primarily on TV but has also appeared in numerous films, as well as on Broadway and Off Broadway...

.

Season 3

When Simon Adebisi

Simon Adebisi

Simon Adebisi is a fictional character played by Adewale Akinnuoye-Agbaje on the HBO dramatic series Oz, set in an experimental prison unit.-Character overview:Prisoner #93A234. Convicted May 2, 1993 - Murder in the first degree...

, claiming he wants to learn about AIDS

AIDS

Acquired immune deficiency syndrome or acquired immunodeficiency syndrome is a disease of the human immune system caused by the human immunodeficiency virus...

, is transferred to work at the AIDS Ward. There, Adebisi meets Gerth, a patient at the last stage of HIV

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...

. Claiming that Dr. Gloria Nathan

Gloria Nathan

Dr. Gloria Nathan is a fictional character played by Lauren Vélez, on the HBO drama Oz.- Character overview :Dr. Gloria Nathan is the Chief Attending Physician of Oz. A good person, she deals with conflict all the time, whether it is from the inmates such as Ryan O'Reily, or state medical boards....

 ordered him to, Adebisi takes some of Gerth's blood with a needle. At Emerald City, Adebisi pricks Antonio Nappa

Antonio Nappa

Antonio Nappa is a fictional character played by Mark Margolis on the HBO dramatic series Oz.-Character overview:Prisoner #98N744. Convicted June 4, 1998 - Murder in the second degree. Sentence: 80 years, eligible for parole in 50...

's arm with the needle, but disfarces with a comb

Comb

A comb is a toothed device used in hair care for straightening and cleaning hair or other fibres. Combs are among the oldest tools found by archaeologists...

. Nappa gets infected and is moved to Unit F, the AIDS ward. Gerth is not seen again in the show.