Timothy Ray Brown, widely known in research circles as the Berlin patient, was cured of his HIV infection by bone marrow transplants. Now scientists are trying to make sense of the traces of HIV they've found in some cells of his body. Richard Knox/NPR hide caption

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Traces Of Virus In Man Cured Of HIV Trigger Scientific Debate

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A mother and child wait to receive treatment at the HIV clinic in Nyagasambu, Rwanda, in Feb. 2008. The clinic was built by the Washington-based Elizabeth Glaser Pediatric AIDS Foundation with a grant from the PEPFAR program. Shashank Bengali/MCT/Landov hide caption

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Participants carry a rainbow flag during a gay, lesbian, bisexual and transgender parade in Mumbai, India. Rajanish Kakade/AP hide caption

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To Fight HIV, Indian Health Workers Say Homosexuality Must Be Legal

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Gilead Sciences' Truvada is a step closer to being approved as a way to prevent HIV infection. Paul Sakuma/AP hide caption

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A health worker injects a woman with a shot of Depo Provera, a quarterly contraceptive injection, at a health clinic in Busia, Uganda, in 2009. MCT/MCT via Getty Images hide caption

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Many over-the-counter contraceptives contain a spermicide known as nonoxynol-9. Gretchen Cuda Kroen/For NPR hide caption

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What Spermicide Users Should Know, But Often Don't

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Eric Goosby, United States Global AIDS coordinator, says field testing is necessary and urgent to determine if HIV testing-and-treating services are feasible. Brendan Hoffman/Getty Images hide caption

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Antiviral Drugs Sparkle In The Race To End AIDS

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President Obama marked World AIDS Day Thursday by announcing plans to boost U.S. efforts to fight AIDS at home and abroad. Evan Vucci/AP hide caption

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Obama Embraces 'End of AIDS,' Promises To Accelerate HIV Treatment

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The latest numbers from CDC show that only 28 percent of the nation's 1.2 million HIV-infected people are getting effective antiviral treatment; effective treatment rates are lowest among African-American men. Robyn Beck/AFP/Getty Images hide caption

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