Pfizer vaccine provides 90 percent protection against hospitalization for six months, study finds.
By BY EMILY ANTHES
Science
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The findings, which also document a waning of protection against infection, come as officials debate the necessity and timing of booster shots.
New York Times
Coronavirus Delta Variant, Vaccination and Immunization, Research, Drugs (Pharmaceuticals)
October 4, 2021 at 10:30PM