And we spoke to activists who were there.
The study followed 1,000 gay couples who were having condomless sex.
His work, composed of found objects and bold colors, is part of a long legacy of HIV-positive artists putting their own bodies on the line.
Julianne Moore announced the documentary, which will premiere at LA Pride.
The donor said that her decision to give life can fight stigma against HIV.
With recent news of a seroconversion utilizing this process otherwise known as "2-1-1," we asked Dr. Demetre Daskalakis how effective it is.
The seroconversion occurred after employing an "on demand" dosing regimen.