Vaccine Effort Anthony Marshall removes cell starting material from liquid nitrogen storage at Walter Reed Army Institute of Research in Silver Spring, Md., Aug. 26, 2020, signifying the initiation of the institute’s vaccine material. The institute is supporting COVID-19 response efforts. SHARE: Download: Full Size (1.51 MB) Tags: army, health, coronavirus Credit: Shawn Fury, Walter Reed Army Institute of Research VIRIN: 200826-O-IL961-617Y.JPG Photo Gallery