Antibody testing shows many Utahns had COVID-19 but did not know it; results higher because of self-selection - KSL.com

One reason the antibody test rate is higher than the statewide infection rate is because all of the people getting antibody tests so far chose to get tested because they thought they might have been sick. https://www.ksl.com/article/46757474/antibody-testing-shows-many-utahns-had-covid-19-but-did-not-know-it-results-higher-because-of-self-selection