Davis-Monthan begins administering COVID-19 vaccine
U.S. Air Force Staff Sgt. Susanna Nelson, non-commissioned officer in charge of the 355th Medical Group immunization clinic, receives the first COVID-19 vaccine at Davis-Monthan Air Force Base, Arizona, Jan. 6, 2021. Vaccination is currently administered using a phased approach. (U.S. Air Force photo by Senior Airman Nicholas Ross)