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<p>FILE - This Monday, May 26, 2006 file picture shows Gilead Sciences Inc.'s Truvada pill in their lab in Foster City, Calif. Two studies announced Wednesday, July 13, 2011 show the pill Truvada helped prevent the spread of the AIDS virus between heterosexual couples in Africa. The drug is already used to treat people with HIV. (AP Photo/Paul Sakuma)</p>

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An across-the-board solution
July 14, 2011 9 p.m.

An across-the-board solution

Drug stops HIV among heterosexual couples, not just gays

ATLANTA - An AIDS drug already shown to help prevent spread of the virus in gay men also works for heterosexual men and women, two studies in Africa found. Experts called it a breakthrough for the continent that has suffered most from AIDS.