Swab Test May Oliva, a clinical nurse assigned to Naval Medical Center San Diego, administers a nasopharyngeal swab to test a patient for the coronavirus during a trial for AstraZeneca’s candidate for the COVID-19 vaccine, Dec. 17, 2020. The trial is part of Operation Warp Speed, a national initiative to accelerate the development, production and distribution of COVID-19 vaccines, therapeutics and diagnostics. SHARE: Download: Full Size (0.99 MB) Tags: Health, Navy, Coronavirus, OWS, Warp Speed, covid19vaccine Credit: Navy Petty Officer 3rd Class Jacob Greenberg VIRIN: 201217-N-DA693-1017A.JPG Photo Gallery