The Bumpy Road to Herd Immunity

What will it take to achieve herd immunity? CNN Chief Medical Correspondent Dr. Sanjay Gupta speaks with Dr. Christopher Murray, who directs the Institute for Health Metrics and Evaluation at the University of Washington, about the role of vaccinations, variants and preventative behavior. To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices