The Race for a Vaccine, Plus the Exploding National Debt-The Race for a Vaccine

In the battle against the coronavirus, scientists around the world are working to find an effective vaccine. We'll talk the co-inventor of the rotavirus vaccine, Paul Offit, MD, Director of the Vaccine Education Center and Professor of Pediatrics in the Division of Infectious Diseases at Children's Hospital of Philadelphia. He says the race to the finish line involves big challenges.