Pfizer’s mRNA flu vaccine outperformed the standard flu shot in a Phase 3 clinical trial, according to results published Wednesday in the New England Journal of Medicine .

The vaccine uses the same messenger RNA technology as Pfizer’s Covid shot. Ever since the mRNA Covid vaccines were approved in 2020, experts have looked at flu as one of the next logical applications for the technology. No country has approved an mRNA flu vaccine.

Dr. Buddy Creech, a pediatric infectious disease physician at Vanderbilt University Medical Center in Nashville, Tennessee, said Pfizer’s mRNA flu vaccine could be “a game-changer,” potentially providing a closer match to the strains in any given flu season. One big reason flu shots aren’t as effective as they can be is because they aren’t a good match fo

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