As a new vaccine becomes available, CDC chief warns against rolling back safeguards

Summary: ​The first batch of a new COVID vaccine from Johnson & Johnson began shipping around the U.S. on Monday. But as some states began loosening pandemic restrictions, the CDC cautioned about opening too quickly. Dr. Ezekiel Emanuel, former advisor to the Biden transition team on COVID and vice provost of global initiatives at the University of Pennsylvania, joins Judy Woodruff to discuss. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders