Insight: U.S. government investment gives flu vaccines a shot in the arm snsimages.tribune.com/media/photo/2013-01/74085389.jpg January 19, 2013 http://www.chicagotribune.com/news/sns-rt-us-flu-vaccinesbre90i0ai-20130119,0,7905681.story [ http://www.chicagotribune.com/news/sns-rt-us-flu-vaccinesbre90i0ai-20130119,0,6046642,full.story ] [no comments yet]