What We Know about the COVID-19 Vaccines

Dr. Paul Offit, a professor of vaccinology at the University of Pennsylvania and member of the F.D.A.’s vaccine advisory panel, discusses how the Pfizer and Moderna vaccines work and how they could be distributed.Update: Since Noah and Dr. Offit spoke, Pfizer released an updated analysis of its vaccine trial data, showing that the vaccine is 95% effective overall and 94% effective for adults over 65: https://www.pfizer.com/news/press-release/press-release-detail/pfizer-and-biontech-conclude-phase-3-study-covid-19-vaccine Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.