An Airman has his hands tested for germs in the Airey Dining Facility April 8, 2015 on Grand Forks Air Force Base, N.D. Members of the 319th Medical Operations Squadron promoted proper hygiene and food safety in honor of Public Health Week. Participants were able to put lotion on their hands and use a black light to show if any germs were present. (U.S. Air Force photo by Airman 1st Class Ryan Sparks/released)
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