Data sources: David Ropeik/Harvard University, National Weather Service, World Health Organization, Northeastern University Laboratory for the Modeling of Biological and Socio-Technical Systems, National Geographic, United States CensusAdam Cole and Ryan Kellman/NPRhide caption
The nursing staff get a break at the Ebola care center run by Doctors Without Borders in Foya, Liberia. The center has helped stop the spread of the virus.Michealeen Doucleff/NPRhide caption
A Kenyan senior citizen leans on his cane. As people age in parts of Africa, they report declining levels of satisfaction with their life.
Roberto Schmidt/AFP/Getty Images
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Poet Cameron Conaway (left, in gray cap) visits malaria-hit areas in the Chittagong Tract Hills, Bangladesh, in June 2012.
Courtesy of Cameron Conaway
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Members of the activist group ACT UP, which has fought for the rights of people with AIDS, held a demonstration in New York's Times Square in 1992.
Andrew Savulich/AP
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Air Force personnel put up tents to house a 25-bed, U.S.-built hospital for Liberian health workers sick with Ebola in Monrovia, Liberia's capital. The hospital is scheduled to open this weekend.
John Moore/Getty Images
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Students taking part in Columbia University's Ebola design challenge demonstrated for judges how to use a special chamber for decontaminating small items.
Courtesy of Columbia Engineering
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Saah Exco was found alone on a beach in Liberia's West Point slum, naked and abandoned and likely an Ebola victim.Research suggests the story of one needy individual motivates charitable donors more than statistics about millions of sufferers.
David Gilkey/NPR
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Wilson Kipsang of Kenya hoisted his country's flag after winning the New York City Marathon on Sunday. Kipsang won in an unofficial time of 2 hours, 10 minutes, 59 seconds.
Craig Ruttle/AP
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New Jersey Governor Chris Christie, center, addressed a gathering on Ebola preparedness last month at Hackensack University Medical Center.
Mel Evans/AP
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A child receives a polio vaccine during National Immunization Days in the Nigerian city of Kano.
Diego Ibarra Sanchez /Courtesy of Rotary Foundation
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Diego Ibarra Sanchez /Courtesy of Rotary Foundation
Umu Fambulle stands over her husband, Ibrahim, who'd fallen and knocked himself unconscious in an Ebola ward in Monrovia, Liberia.
John Moore/Getty Images
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A burial team carries the body of woman suspected to have died from the Ebola virus in Monrovia, Liberia. Most of the organized burial teams in the country are assisted by the aid group Global Communities, which, among other things, trains workers to properly wear personal protective equipment, like the gear this team is wearing.
Abbas Dulleh/AP
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Decontee Davis, 23, initially thought she had malaria when she came down with a fever. It took her more than a week after she got sick to seek treatment for Ebola.
John W. Poole/NPR
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Man, that PPE is hot. And not in a good way. One challenge for the designers was to come up a way to give health workers more time in personal protective equipment without overheating.
Will Kirk/Jhpiego/CBID
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Children play in the West Point neighborhood of Monrovia last week. West Point has been hit hard by Ebola. So local leaders formed their own Ebola task force, which goes door to door looking for cases.
John Moore/Getty Images
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A nurse uses a diagram of the female reproductive system to explain the do-it-yourself careHPV test at the Uganda Cancer Institute in Kampala.
Will Boase/PATH
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