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MONROVIA, LIBERIA - OCTOBER 10: A woman crawls towards the body of her sister as Ebola burial team members take her sister Mekie Nagbe, 28, for cremation on October 10, 2014 in Monrovia, Liberia. Nagbe, a market vendor, collapsed and died outside her home earlier in the morning while leaving to walk to a treatment center, according to her relatives. The burial of loved ones is important in Liberian culture, making the removal of infected bodies for cremation all the more traumatic for surviving family members. 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)

MONROVIA, LIBERIA - OCTOBER 10:  A woman crawls towards the body of her sister as Ebola burial team members take her sister Mekie Nagbe, 28, for cremation on October 10, 2014 in Monrovia, Liberia. Nagbe, a market vendor, collapsed and died outside her home earlier in the morning while leaving to walk to a treatment center, according to her relatives. The burial of loved ones is important in Liberian culture, making the removal of infected bodies for cremation all the more traumatic for surviving family members. 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)