You’re vaxxed. You test positive. Don’t panic.

Nine New York Yankees tested positive for Covid-19, even though they were all vaccinated. Vox’s Brian Resnick says it’s proof the system is working, just as New York City is opening back up. Transcript at vox.com/todayexplained. Support Today, Explained by making a financial contribution to Vox! bit.ly/givepodcasts. Learn more about your ad choices. Visit podcastchoices.com/adchoices