On Thursday morning, Ohio Gov. Mike DeWine tested positive for the coronavirus. By that evening, he tested negative. Our colleagues at WOSUnews break down how 2 tests on the same day could yield such different results.
ListenDeWine's initial positive result came from a rapid-result antigen test Thursday morning, as part of the protocol to greet President Donald Trump during his visit to Ohio. The test was arranged by the Republican National Committee at a mobile testing site at Case Western Reserve University.
False negatives with the antigen test are common: In one study, 20% of positive COVID-19 cases were missed. In a statement Thursday, DeWine's office says Ohio doesn’t have a lot of “experience” with the rapid antigen tests, which may have contributed to the false positive.also happened to residents in a town in Vermont
When he came back to Columbus on Thursday afternoon, DeWine also did a PCR test, which is more sensitive and accurate. The PCR test detects genetic material of the virus using a lab technique., a division of the American Chemical Society.
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