Liberia Races To Expand Ebola Treatment Facilities, As U.S. Troops Arrive

MONROVIA, LIBERIA – OCTOBER 09: U.S. Air Force personnel put up tents to house a 25-bed hospital for Liberian health workers as part in Operation United Assistance on October 9, 2014 in Monrovia, Liberia. U.S. President Barack Obama has committed up to 4,000 troops in West Africa to combat the Ebola epidemic, which has killed at least 3,400 people. (Photo by John Moore/Getty Images)