U.S. Army Sgt. Amanda Schwartz, a preventive medicine specialist, assigned to Urban Augmentation Medical Task Force 352-1, receives Saccharin spray during contamination suit testing, at the Coronavirus Surge Facility, Liacouras Center, Philadelphia, Pa., April 21, 2020. UAMTF 352-1 arrived from Camp Parks, Calif., to assist federal and state agencies at alternate care sites established to combat COVID-19. U.S. Northern Command, through U.S. Army North, is providing military support to the Federal Emergency Management Agencyto help communities in need. (U.S. Army photo by Pfc. Daniel J. Alkana, 22nd Mobile Public Affairs Detachment)