Pfizer Vaccine Research Shows it’s More Than 91% Effective at Preventing Infection

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New data out Tuesday shows the speed and efficacy of the Pfizer coronavirus shot.

A joint study conducted in part by the Israel Institute of Technology shows two weeks after the second dose, the Pfizer and BioNTech vaccine was more than 91% effective at preventing infection.

And it was 99% effective at preventing symptomatic COVID-19.

Categories: Coronavirus, Coronavirus Support