How long does it last 3 or 5 months or less than a year? Will it work against new mutations of the virus? 5 Important Questions About Pfizer’s COVID Vaccine https://wb.md/2UhnB1N from @WebMD
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How long does it last 3 or 5 months or less than a year? Will it work against new mutations of the virus? 5 Important Questions About Pfizer’s COVID Vaccine https://wb.md/2UhnB1N from @WebMD