A newly-built Ebola treatment center is pictured in Beyla, Guinea, November 25, 2014. Picture taken November 25, 2014.
Anthony Ramirez takes a picture during the San Francisco Gay Pride Festival in California in this file photo taken June 29, 2014.
A screen displays the share price for pharmaceutical maker AbbVie on the floor of the New York Stock Exchange July 18, 2014.
Beach goers look at a red ribbon sand sculpture created by Indian sand artist Sudarshan Patnaik to create awareness about AIDS on the eve of World AIDS Day on a beach in Puri in the eastern Indian state of Odisha November 30, 2014.
French President Francois Hollande listens to ArcelorMittal workers as he visits their union meeting room during a visit at the ArcelorMittal Steel Factory in Florange, western France, November 24, 2014.
A volunteer wearing a protective suit walks in a 'high risk' zone during an Ebola training session held by Germany's Red Cross in Wuerzburg October 21, 2014.
Health inspection and quarantine researchers work in their laboratory at an airport in Qingdao, Shandong province August 11, 2014.
People are silhouetted as they pose with laptops in front of a screen projected with a Google logo, in this picture illustration taken in Zenica October 29, 2014.
