What’s Behind the Sharp Rise in Omicron Infections and Rapid Decline?

What is the science behind the sharp rise in Omicron infections and then the rapid decline? It seems we might have hit a peak here in the U.S. and are already seeing new infections drop in places like the U.K. and South Africa. Umair Irfan, reporter at Vox, joins us for how more immunity could be building up in the population and the variant is running out of new people to infect. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com