Home / Pakistan Politics / Pakistan tech / The News International - World / Study of over a million people confirms Pfizer's COVID-19 vaccine's effectiveness

Study of over a million people confirms Pfizer's COVID-19 vaccine's effectiveness

February 24, 2021 Pakistan Politics , Pakistan tech , The News International - World Edit

Efficacy against symptomatic COVID-19 was 94% seven or more days after the second dose

from The News International - World https://ift.tt/3dQl6P7

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