Shaw Airmen become immune
U.S. Air Force Staff Sgt. Heather Forester, 20th Medical Group immunization technician, administers the smallpox vaccination on an Airman at Shaw Air Force Base, S.C., Feb. 5, 2014. The smallpox vaccination, unlike other vaccinations, consists of 15 punctures to the skin to infect the patient. (U.S. Air Force photo by Airman 1st Class Jensen Stidham/Released)