Skip Nav

Education Materials

AIDSinfo Glossary Search

A - Z Index

glossary a-z index

Pre-Exposure Prophylaxis (PrEP) Audio (En español)

Administration of antiretroviral (ARV) drugs before potential HIV exposure in order to reduce the risk of HIV infection. Clinical trials are underway to determine if pre-exposure prophylaxis (PrEP) is a safe and effective way to reduce HIV transmission in people at high risk for HIV infection.