COVID-19 Testing Members of the Michigan National Guard administer COVID-19 tests in Alma, Mich., the largest city in Gratiot County, as part of the free testing offered to communities across the state, June 13, 2020. The free testing was available through through the support of the Michigan National Guard, the Michigan Department of Health and Human Services, the Michigan State Police and local health departments. SHARE: Download: Full Size (1.71 MB) Tags: national guard, coronavirus Credit: Air Force Staff Sgt. Jacob Cessna, Michigan Air National Guard VIRIN: 200613-Z-SB302-0254.JPG Photo Gallery