MONROVIA, LIBERIA - AUGUST 15:  A girl sits on a fishing boat in the seaside favella of West Point on August 15, 2014 in Monrovia, Liberia. Poor sanitation and close living quarters have contributed to the spead of the Ebola virus, which is transmitted through bodily fluids. The epidemic has killed more than 1,000 people in four West African countries.  (Photo by John Moore/Getty Images)