The study came from a clinic based in the heart of London's gay scene.
Johnson & Johnson's attempted vaccine didn't have the efficacy necessary for the study to continue.
"Our goal was to ‘call him in instead of calling him out,’" the activists said in a statement.
Raniyah Copeland, who succeeded longtime leader Phill Wilson, served less than a year in her position.
A meeting this week allowed LGBTQ+ and HIV groups to hear from their representatives in Congress.
Only 42 percent of respondents in the survey knew HIV wasn't transmissible when properly treated.
The study also found that nine states accounted for 44 percent of new HIV diagnoses in 2019.