And keep in mind that, “someone can test negative on an antigen test, and at that time or very quickly thereafter, be potentially contagious with the virus,” says Garner. They have higher rates of false positives and false negatives than PCR tests, so if you have no symptoms and get a positive result, Doron recommends seeking a PCR test right away.
Learn more: QuickVue At-Home OTC Covid-19 tests, $23,99 for two at Walgreens Just how accurate are at-home rapid tests?
