WASHINGTON (AP) -- U.S. officials say a long-awaited major study of possible Ebola vaccines is set to begin in Liberia within a couple of weeks....
By LAURAN NEERGAARD, Associated Press: Health
Thu, 01/22/2015 - 1:31pm
WASHINGTON (AP) -- U.S. officials say a long-awaited major study of possible Ebola vaccines is set to begin in Liberia within a couple of weeks....