How often can you get Covid?

Does your immunity still last for months? We asked a researcher who has been studying omicron reinfections. This episode was produced by Jon Ehrens, edited by Matthew Collette, fact-checked by Laura Bullard, engineered by Paul Mounsey, and hosted by Sean Rameswaram. 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