The 2-1-1 strategy calls for two pills a couple hours before having sex, then one pill 24 hours later, and then one final pill.
The latest research debunks a commonly held misconception about hormones and PrEP.
It's only taken them 30 years.
Messaging about HIV prevention is failing to reach gay and bi black men.
The United States Preventive Services Task Force’s draft recommendation gave the highest possible grade to using a PrEP regimen.
Sex workers, often overlooked in HIV outreach, finally get attention.
PrEP makes it virtually impossible for you to contract HIV, but can the strategy interfere with your fitness?