Pam Horn administers the flu vaccine to employee Michael Karolitzky at Philly Flu Shots, a division of Concorde Inc.,Thursday, Jan. 10, 2013, in Philadelphia. The Pennsylvania

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Pam Horn administers the flu vaccine to employee Michael Karolitzky at Philly Flu Shots, a division of Concorde Inc.,Thursday, Jan. 10, 2013, in Philadelphia. The Pennsylvania Department of Health says flu is now "widespread" throughout the state and things are likely only going to get worse because the season typically doesn't peak until the middle of this month or February. (AP Photo/Matt Rourke) less 

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Associated Press
Thu, Jan 10, 2013 5:55 PM EST