A boy with symptoms of cholera waits for treatment at the St. Catherine hospital in Cite Soleil in Port-au-Prince on Nov. 10, 2010. Cholera has sickened more than 91,000 Haitians and killed more than 2,000. Ramon Espinosa/AP hide caption

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Two sisters rest under a mosquito net during a July monsoon rain in Prey Mong kol village in Cambodia's Pailin province. Paula Bronstein/Getty Images AsiaPac hide caption

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A man looks over a room of cholera victims in Port au Prince, Haiti, Dec. 10 David Gilkey/NPR hide caption

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Doctors Urge Cholera Vaccine For Haiti, Neighbors

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A 10-year-old Somali boy being treated for meningitis in May 2009 at a makeshift clinic in Mogadishu. ROBERTO SCHMIDT/AFP hide caption

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Whom Are You Remembering On World AIDS Day?

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World Marks Nearly 30 Years Of AIDS

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Research: Pill May Prevent HIV Infection

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