Thinking about COVID booster shots? Here's what to know
https://www.health.harvard.edu/blog/thinking-about-covid-booster-shots-heres-what-to-know-202110072610
Nov 30, 2021 · First things first: Vaccinate everyone. In the US, the CDC and FDA have reviewed the necessity, safety, and effectiveness of boosters for the Pfizer/BioNTech, Moderna, and Johnson and Johnson vaccines. I'll discuss these recommendations in a moment.
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