| PrEP | pre-exposure prophylaxis |
| BMSM | Black men who have sex with men |
| MSM | men who have sex with men |
| HIV | human immunodeficiency virus |
| LGBT | lesbian, gay, bisexual, and transgender |
| RMSE | root-mean-square error |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.