Moderna vs. Pfizer: Both knockouts, but one seems to have the edge
September 23, 2021
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 of Moderna's vaccine. In a half-dozen studies published over the past few weeks, Moderna's vaccine appeared to be more protective over the long term than the Pfizer-BioNTech vaccine.