IMMT and COVID-19: We obtained stool p87 and ferritin in 10 of the 28 patients in Group 1 (positive symptoms and PCR test for COVID-19) at the Detroit VAMC, or elsewhere; in 13 of the 46 patients in group 2, who were the controls with COVID-19 compatible symptoms at screening but who had tested negative for COVID-19 or had the absence of specific antibodies; in 23 of the 90 patients in Group 3, who had negative test results and no symptoms; and in 461 of the 2129 patients in Group 4, whose testing and symptoms were unknown.