What is pre-exposure prophylaxis (PrEP) and is it effective in preventing HIV?
Prepared by Stephanie Cohen, MD & Al Liu, MD; SF DPH | Gabriel R. Galindo DrPH; CAPS
What is PrEP?
PrEP stands for pre-exposure prophylaxis and it is a promising biomedical HIV intervention. It is an approach to prevention where HIV-negative people take HIV drugs in order to prevent HIV infection.