CDC: '03 Flu Shot Effective Half the Time
Fri Aug 13, 7:43 PM ET Add Health - AP to My Yahoo!
By DANIEL YEE, Associated Press Writer
ATLANTA - Last season's flu shot was effective only about half the time, confirming the concerns many experts had since the vaccine was not an exact match for one of the flu strains making many Americans sick, the government said Thursday.
Even so, "the vaccine still provided some protection and substantial health benefits," said Dr. Carolyn Bridges, an epidemiologist with the Centers for Disease Control and Prevention (news - web sites).
Article from Yahoo/AP News