Ebola vaccine from Glaxo passes early safety test
A Greyhound dog drinks water after a race in Santiago city, in this file picture taken March 1, 2014.
International Space Station (ISS) crew Anton Shkaplerov of Russia matches palm with his daughter Kira from a bus window before the launch of the Soyuz-FG rocket at the Baikonur cosmodrome November 23, 2014.
A health worker fixes another health worker's protective suit in the Aberdeen district of Freetown, Sierra Leone, October 14, 2014.
A pizza is served in Chicago January 20, 2010.
Wreckage lays at a collapsed house following a massive snow storm in Alden, New York November 24, 2014.
Dutch to destroy 8,000 ducks to prevent bird flu outbreak
Saudi Arabia tackles MERS virus, still hunting source