Article Photos: Body Work: When a flu shot is not enough

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