Interest in rapid Covid-19 antigen tests continues despite accuracy concerns August 16, 2020 Auto Bot BD, biopharma nl, California, Diagnostics, Ohio, Policy, San Diego, SARS-CoV-2 0 Earlier this month, Ohio Gov. Mike DeWine received a false-positive result from a rapid antigen test for Covid-19, raising concerns about the tests’ accuracy. The assay’s maker, Quidel, said it is investigating the case.