Vials of flu vaccine are... Pictures

Vials of flu vaccine are displayed at Philly Flu Shots in Philadelphia.  Columnist Adam Cohen wonders why he came down with the flu or a flu-like illness despite getting a flu shot this year. (AP) <strong>Matt Rourke</strong>
Vials of flu vaccine are displayed at Philly Flu Shots in Philadelphia. Columnist Adam Cohen wonders why he came down with the flu or a flu-like illness despite getting a flu shot this year. (AP) Matt Rourke

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