By MIKE STOBBE
AP Medical Writer
NEW YORK (AP) - Health officials are telling doctors that the flu vaccine may not be very effective this winter.
As flu season begins to ramp up, officials say the vaccine does not protect well against the dominant strain seen most commonly so far this year. ...
AP Medical Writer
NEW YORK (AP) - Health officials are telling doctors that the flu vaccine may not be very effective this winter.
As flu season begins to ramp up, officials say the vaccine does not protect well against the dominant strain seen most commonly so far this year. ...