PAYNESVILLE, LIBERIA - OCTOBER 05: A Doctors Without Borders (MSF), health worker in protective clothing carries a child suspected of having Ebola in the MSF treatment center on October 5, 2014 in Paynesville, Liberia. The girl and her mother, showing symptoms of the deadly disease, were awaiting test results for the virus. The Ebola epidemic has killed more than 3,400 people in West Africa, according to the World Health Organization. (Photo by John Moore/Getty Images)
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The last line of defense: How to stop Ebola
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Impact Your World 23 videos
PAYNESVILLE, LIBERIA - OCTOBER 05: A Doctors Without Borders (MSF), health worker in protective clothing carries a child suspected of having Ebola in the MSF treatment center on October 5, 2014 in Paynesville, Liberia. The girl and her mother, showing symptoms of the deadly disease, were awaiting test results for the virus. The Ebola epidemic has killed more than 3,400 people in West Africa, according to the World Health Organization. (Photo by John Moore/Getty Images)
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