Just how ineffective is this year's flu shot? CDC experts do the math

If you think this year’s flu shot is worthless, think again: People who got vaccinated this fall or winter have been 23% less likely than their unvaccinated peers to come down with a flu-like illness bad enough to send them to the doctor, according to a new report from researchers at...



via L.A. Times - Science http://ift.tt/1x7c40j