In the U.S., the PCR test is the gold standard for COVID testing. Common knowledge would have it that the test is more accurate—and therefore more effective at containing the spread of the dease—than the rapid antigen test.  What if that isn’t quite true?  Guest: Michael Mina, assistant professor of epidemiology at the Harvard T.H. Chan School of Public Health  Host: Lizzie O’Leary Learn more about your ad choices. Visit megaphone.fm/adchoices