FDA fully approves Pfizer's coronavirus vaccine as U.S. vaccination pace slows
Pfizer's coronavirus vaccine has received full FDA approval, just eight months after it was authorized for emergency use. David Begnaud reports on efforts to boost lagging vaccinations. Then, Dr. Andre Campbell, a critical care physician and a professor at the University of California at San Francisco, joins CBSN's Elaine Quijano to discuss the latest.