MONROVIA, LIBERIA - AUGUST 17: Workers prepare the new Doctors Without Borders (MSF), Ebola treatment center on August 17, 2014 near Monrovia, Liberia. The facility initially has 120 beds, making it the largest such center for Ebola treatment and isolation in history, and MSF plans to expand it to a 350-bed capacity. Tents, beds and much of the medical supplies at the center were provided by UNICEF. The Ebola epidemic has killed more than 1,000 people in four African countries, and Liberia now has had more deaths than any other country. (Photo by John Moore/Getty Images)
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