PETERSON AIR FORCE BASE, Colo. - Senior Airman Trisha Lariza, a medical laboratory technician at the 21st Medical Group clinical laboratory, prepares to transfer a COVID-19 nasal swab to viral transport media before it’s shipped out for testing. The lab at Peterson Air Force Base, Colorado, generates more than 4,700 lab results on average each month. (U.S. Air Force photo by Kristen Allen)