Influenza vaccines keep Airmen healthy
Staff Sgt. Timothy Raso prepares a vaccine for a patient Oct. 7, 2010, Eielson Air Force Base, Alaska. This year's vaccine combats three virus strains, including two A strains of H1N1 and H3N2, and the B strain Brisbane. Sergeant Raso is a 354th Medical Operations Squadron independent duty medical technician. (U.S. Air Force photo/Airman 1st Class Janine Thibault)