Vaccination offers more protection against Covid-19 than previous infection, a C.D.C. study suggests.

By BY BENJAMIN MUELLER from NYT Health https://ift.tt/3BvNgqy
via Coronavirus (2019-nCoV), Vaccination and Immunization New York Times https://ift.tt/3BvNgqy October 29, 2021 at 11:56PM
Vaccination offers more protection against Covid-19 than previous infection, a C.D.C. study suggests.
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October 29, 2021
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