Why Herd Immunity Won't Save Us

Herd immunity. It's the idea that enough people become immune to an infectious disease that it's no longer likely to spread. It makes sense theoretically. But as NPR's Geoff Brumfiel tells us, the reality — in this coronavirus pandemic and without a vaccine — is potentially full of risk and maybe even unachievable. See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences. NPR Privacy Policy