Daily dose of HIV drug reduces risk of HIV infection

A daily dose of an oral antiretroviral drug, currently approved to treat HIV infection, reduced the risk of acquiring HIV infection by 43.8 percent among men who have sex with men. The findings, a major advance in HIV prevention research, come from a large international clinical trial published online Nov. 23 by the New England Journal of Medicine. The study, titled 'Chemoprophylaxis for HIV Prevention in Men,' found even higher rates of effectiveness, up to 72.8 percent, among those participants who adhered most closely to the daily drug regimen...

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