Checking on a Patient Army 2nd Lt. Mary McCowen, a registered nurse assigned to Walter Reed National Military Medical Center, Md., updates a patient’s medical chart at the Northwest Texas Healthcare System in Amarillo, Texas, Jan. 28, 2022. SHARE: Download: Full Size (5.87 MB) Tags: Coronavirus Credit: Army Spc. James Alegria VIRIN: 220128-A-HV314-0021.JPG Photo Gallery