Moderna vs. Pfizer: Both knockouts, but one seems to have the edge
Posted September 22, 2021 5:16 p.m. EDT Updated September 22, 2021 5:18 p.m. EDT By Apoorva Mandavilli, New York Times It was a constant refrain from federal health officials after the coronavirus vaccines were authorized: These shots are all equally effective. That has turned out not to be true. Roughly 221 million doses of the …
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