Dose Duty Army Pfc. Sara Jennings, a medic assigned to Landstuhl Regional Medical Center, Germany, prepares doses of Moderna's COVID-19 vaccine, April 19, 2021. SHARE: Download: Full Size (3 MB) Tags: Coronavirus, covid19vaccine Credit: Russell Toof, Army VIRIN: 210419-A-GJ885-002.JPG Photo Gallery