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Antiretroviral Drugs May Prevent HIV Infection

Studies Show Once-Daily Pill May Cut HIV Infection Risk by up to 73%

Applying the Study Findings to the U.S. continued...

"There are two key issues here: Who will have access to the drugs, and how do you decide distribution?" says Sandra I. McCoy, MPH, PhD, an epidemiologist at the University of California, Berkeley. "We have many resource-poor settings where treatment is not available to everyone who needs it already. That will be the next focus area of research, these implementation kind of questions."

According to a 2008 report from the CDC, 86% of new HIV cases in the U.S. were attributed to sexual transmission, 54% among men who had sex with men and 32% among heterosexual partners.

"It's nice to know that there are other means of preventing HIV," Hirsch says. "HIV is treatable, but still, getting HIV is a personal tragedy and any means to prevent this infection is important for us to know about."

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