Yale coronavirus expert Dr. Nicholas Christakis returns for a discussion on the COVID vaccines, booster shots, and where we are headed as a society with COVID now that we are a year and a half into the pandemic. He explains why we are at "the end of the beginning" of the pandemic (2:58), how many deaths we are likely to experience in America (5:30), why it's likely that the vast majority of unvaccinated people will be infected eventually (8:04), the spread of misinformation (12:20), booster shots (17:26), vaccine induced immunity vs. natural immunity (22:12), the "Swiss Cheese" model for pandemic defense (31:43), denial during plagues (40:08), the origin of the outbreak (54:28), and the concern about new variants (56:55). 

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