[CED/CD/EAT] NPR - How Herd Immunity Works

[Silvertooth, Jeffrey C - (silverto)]

https://www.npr.org/sections/health-shots/2021/02/18/967462483/how-herd-immunity-works-and-what-stands-in-its-way



Jeffrey C. Silvertooth, Ph.D.
Associate Dean
Director of Extension and Economic Development
Division of Agriculture, Life, & Veterinary Sciences, and Cooperative Extension
Forbes 301
University of Arizona
Tucson, Arizona          85721-0036
520-621-7205

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