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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Shashank Bengali/MCT/Landov

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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Rajanish Kakade/AP

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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Paul Sakuma/AP

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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MCT/MCT via Getty Images

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

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Gretchen Cuda Kroen/For NPR

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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Brendan Hoffman/Getty Images

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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Evan Vucci/AP

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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Robyn Beck/AFP/Getty Images

Tokay Geckos, like this one perched on a twig in suburban Quezon City, Philippines, are being hunted and killed to satisfy booming demand for them as an ingredient in alternative medicines. Bullit Marquez/AP hide caption

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Bullit Marquez/AP