coronavirus vaccine

Moderna vs. Pfizer: Both Knockouts, but One Seems to Have the Edge

[nytimes.com – 2021.09.22] 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 Pfizer-BioNTech vaccine have been dispensed thus far in the United States, compared with about 150 million doses […]

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