More than 160,000 new coronavirus infections were detected in the U.S. Friday, pushing the total number of cases above 20,000,000. The death toll from the virus has reached 347,000. A new, highly contagious COVID-19 strain has been detected in the U.K. as countries around the world begin mass vaccine distribution campaigns. Dr. Amesh Adalja, a senior scholar at the Johns Hopkins Center for Health Security at the Bloomberg School of Public Health, joins “CBS This Morning: Saturday” to discuss the pandemic.
