Pfizer jab 97% effective against symptomatic Covid: Study

2021-03-11 13:19:17

BERLIN: Pfizer-Biontech‘s coronavirus vaccine offers more protection than earlier thought with effectiveness in preventing symptomatic disease reaching 97%, according to real world evidence published Thursday by pharma companies.

Using data from January 17 to March 6 from Israel‘s national vaccination campaign, Pfizer-Biontech found that prevention against asymptomatic disease also reached 94%.
An earlier real world study had showed effectiveness at preventing symptomatic disease at 94% and asymptomatic illness at 92%.

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