Natural Immunity beats Vaccine

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>vaccine-induced memory B cells are less robust, never "learning" to protect against variants
>In COVID-19 survivors memory B cells continue to evolve and get stronger, can neutralize new variants of the virus

https://www.reuters.com/business/healthcare-pharmaceuticals/delta-does-not-appear-make-children-sicker-secondary-immune-response-stronger-2021-10-08/