What The Cape Cod Cluster Means & Doesn't Mean If You're Vaccinated

Between the more contagious delta variant, and the need for vaccine boosters possibly on the horizon, the COVID risk calculus has changed. How should we be thinking about safety now? On Today's Show: Leana Wen MD, emergency physician, professor at George Washington University, contributing columnist for The Washington Post, CNN medical analyst, and former Baltimore Health Commissioner and the author of Lifelines: A Doctor's Journey in the Fight for Public Health (Metropolitan Books, 2021) joins to discuss the new COVID risk calculus.