Article Photos: Hospitals crack down on workers refusing flu shots 1/2

FILE - In this file photo taken Oct. 17, 2012, Bill Staples, a Mississippi Department of Health employee, is given an intradermal shot of flu vaccine by registered nurse Rosemary Jones, also with the health department, in Jackson, Miss.  A survey by Centers for Disease Control and Prevention researchers found that in 2011, more than 400 U.S. hospitals required flu vaccinations for their employees and 29 hospitals fired employees that were not vaccinated against the virus. (AP Photo/Rogelio V. Solis, File)