U.S. Air Force Staff Sgt. Kimberly Carranza, 31st Healthcare Operation Squadron family health technician, administers the second Moderna COVID-19 vaccine to a 31st Fighter Wing Airman at Aviano Air Base, Italy, Feb. 26, 2021. The 31st Medical Group and Public Health recommend practicing precautions such as social distancing, hand washing and proper cough etiquette to help minimize the spread of COVID-19. (U.S. Air Force photo by Airman 1st Class Brooke Moeder)