Liberia Races To Expand Ebola Treatment Facilities, As U.S. Troops Arrive [Getty Images]

MONROVIA, LIBERIA - OCTOBER 10: An Ebola burial team collects the body of a four-year-old girl from a one-room apartment on October 10, 2014 in Monrovia, Liberia. The World Health Organization says the Ebola epidemic has now killed more than 4,000 people in West Africa. (Photo by John Moore/Getty Images)

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