MONROVIA, LIBERIA - AUGUST 14:  Three-year-old Nino looks at a blackboard in a newly-opened Ebola isolation center set up in a school closed due to the epidemic on August 14, 2014 in Monrovia, Liberia. People suspected of contracting the Ebola virus are being sent to such centers in the capital Monrovia where the spread of the highly contagious and deadly Ebola virus has been called catastrophic. The epidemic has killed more than 1,000 people in four West African countries.  (Photo by John Moore/Getty Images)