Vaccination offers more protection against Covid-19 than previous infection, a C.D.C. study suggests.
By BY BENJAMIN MUELLER fro Health Coronavirus (2019-nCoV), Vaccination and Immunizationm NYT Health https://ift.tt/3BvNgqy
Vaccination offers more protection against Covid-19 than previous infection, a C.D.C. study suggests.
Reviewed by V. Kumar
on
October 29, 2021
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