COVID-19 Vaccination Army Col. (Dr.) Sean Dooley, a pulmonologist at Walter Reed National Military Medical Center, receives a COVID-19 vaccination at Walter Reed in Bethesda, Md., Dec. 14, 2020. SHARE: Download: Full Size (5.38 MB) Tags: Army, Coronavirus, OWS, Warp Speed, covid19vaccine Credit: Lisa Ferdinando, DOD VIRIN: 201214-D-BN624-0374.JPG Photo Gallery