The man who died of Lassa fever flew from West Africa to New York's John F. Kennedy Airport. Spencer Platt/Getty Images hide caption

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Patients receive treatment at the Chest Disease Hospital in Srinagar, India. The country has one of the highest rates of drug-resistant tuberculosis in the world, in part because antibiotics for the disease are poorly regulated by the government. Dar Yasin/AP hide caption

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The Ebola outbreak "overwhelmed" the World Health Organization and made it clear the agency must change, WHO's director-general, Dr. Margaret Chan, said Monday in Geneva. Fabrice Coffrini /AFP/Getty Images hide caption

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Jenny Tenorio Gallegos, 35, in Lima, Peru, is being treated for drug-resistant TB. The treatment lasts two years and may rob her of her hearing. Jason Beaubien/NPR hide caption

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A man and his drone: Carlos Casteneda of the Amazon Basin Conservation Association prepares to launch one of his plastic foam planes. Jason Beaubien/NPR hide caption

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Researchers meet participants: (from left) investigator Jose Luis Roca; Dr. Ernesto Ortiz; study participants Rainer Leon and his mother, Rina Leon Chanbilla; and nurse Jennifer Rampas. Jason Beaubien/NPR hide caption

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This aerial view shows the effects of gold mining on Peru's rain forest. Courtesy of Gregory Asner, Carnegie Institution for Science hide caption

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A boot-drying rack sits empty at the Ministry of Defense Ebola Treatment Unit in Monrovia. Jason Beaubien/NPR hide caption

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Moses Lasana recovered from Ebola, but he faces a range of medical issues and waves of pain. "The pain just come from one part of the body to another," he says. Jason Beaubien/NPR hide caption

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Caroline Williams is a community organizer in New Kru Town, a suburb of Monrovia. Here's how she got her message through to Liberians about preventing Ebola: "We talk to them, talk to them, talk to them. At last they started listening to us. All the methods that we been giving them, by God's will, they accepted." Jason Beaubien/NPR hide caption

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A nurse holds a young girl who was vaccinated at the kickoff of a national measles prevention campaign in Liberia. Jason Beaubien/NPR hide caption

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