The U.S. is experiencing another uptick in COVID infections after the holidays, with hospitalizations rising for the eighth week in a row. A new dominant variant, JN.1, has quickly spread to account for more than 60 percent of cases. John Yang speaks with epidemiologist Jessica Malaty Rivera to learn more about the surge and what it tells us about how we deal with COVID moving forward. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders