Medical technicians administer flu vaccine
Staff Sgt. Adrienne O'Neil-Busick, a medical technician with the 507th Medical Squadron, administers a flu vaccine to a member of the 507th Air Refueling Wing, Tinker Air Force Base, Okla. Dec. 3, 2022. Influenza vaccination is mandatory for uniformed personnel and health care personnel who provide direct patient care and is recommended for all others. (U.S. Air Force photo by Master Sgt. Grady Epperly)