Erin Olson, who is responsible for testing symptomatic patients, receives the first dose of the COVID-19 vaccine at Shaw Air Force Base, South Carolina, Dec. 4, 2021. Shaw will continue to administer the vaccine under the guidelines that ensures first responders, healthcare providers and mission critical personnel are among the first to receive the vaccine. (U.S. Air Force photo by Airman 1st Class Destani K. Matheny)