Could the U.S. See Another Covid Wave?

More than two years into the pandemic, coronavirus infections are surging in China and nations in Europe. The reason: BA.2, a highly contagious version of the Omicron variant. At the same time, the United States is doing away with a number of pandemic restrictions, with mask mandates ending and businesses no longer requiring proof of vaccination from customers. We explore what these BA.2 surges look like and ask whether the U.S. is ready for a new wave of Covid cases. Guest: Apoorva Mandavilli, a science and global health reporter for The New York Times.