After 11 years of med school and residency training, and >20 additional years of research on the cells that make antibodies & help us fight infection, I'm not as confident as some people seem to be on how the immune system works and how natural immunity protects them from COVID.
— Vincent Rajkumar (@VincentRK) Nov 1, 2021
via Twitter https://twitter.com/VincentRK
November 02, 2021 at 12:25AM
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