NEW YORK (AP) -- U.S. health officials are warning travelers to stay away from certain areas of Brazil if they haven't been vaccinated against yellow fever....
By MIKE STOBBE, Associated Press: Health
Fri, 03/16/2018 - 10:29am
NEW YORK (AP) -- U.S. health officials are warning travelers to stay away from certain areas of Brazil if they haven't been vaccinated against yellow fever....