
HIV prevention drugs known as PrEP are highly effective, but many at risk don’t know about them
Despite highly effective HIV prevention drugs on the market, only a fraction of those at risk in the U.S. are taking them — or even know they’re an option. It’s called pre-exposure prophylaxis, or PrEP, and it is about 99% effective to prevent HIV infection through sexual contact when taken as prescribed. But only about…