Dr. Lisa Sterman holds up a Truvada pill at her office in San Francisco in May. Even before the Food and Drug Administration's approval, Sterman had prescribed Truvada for about a dozen patients at high risk for developing AIDS.
The Food and Drug Administration has given the first OK for a drug to prevent HIV infection.
The daily pill Truvada, made by Gilead Sciences, combines two medicines that inhibit the reproduction of HIV. It's been a mainstay in the treatment of HIV/AIDS for years, and as of today is an approved option for reducing the risk of HIV infection for people at high risk.