World Health Organization (WHO) Director-General Margaret Chan addresses the media after a two-day meeting of its emergency committee on Ebola, in Geneva August 8, 2014. West Africa's raging epidemic ... more 
World Health Organization (WHO) Director-General Margaret Chan addresses the media after a two-day meeting of its emergency committee on Ebola, in Geneva August 8, 2014. West Africa's raging epidemic of Ebola virus is an "extraordinary event" and now constitutes an international health risk, the WHO said on Friday. REUTERS/Pierre Albouy (SWITZERLAND - Tags: HEALTH POLITICS) less 
1 / 25
Reuters | Photo By PIERRE ALBOUY / REUTERS
Fri, Aug 8, 2014 3:41 AM EDT