U.S. Air Force Master Sgt. Maily Groeschel, 23rd Medical Group beneficiary care flight chief, draws a dose of a COVID-19 vaccine from a vial at Moody Air Force Base, Georgia, Aug. 17, 2021. Recipients must receive the second dose of the Moderna vaccine within 30 days of the first dose. (U.S. Air Force photo by Airman 1st Class Megan Estrada)