Flu season in full swing
MISAWA AIR BASE, Japan – Staff Sgt. Teryn Granger, 35th Medical Operations Squadron aerospace medicine technician, injects air into a bottle of influenza vaccine at Misawa Air Base, Japan, Feb. 10, 2014. Building pressure in the bottle allows Granger to pull vaccine into the syringe easier. (U.S. Air Force photo/Staff Sgt. Tong Duong)