Tuesday, February 26, 2013

Flu vaccine worked in just over half of Americans who got it

By Julie Steenhuysen CHICAGO (Reuters) – A U.S. government analysis of this season’s flu vaccine suggests it was effective in only 56 percent of people who got the shot, and it completely failed to protect the elderly against an especially deadly strain circulating during flu...
Flu vaccine worked in just over half of Americans who got it