Pfizer's COVID-19 vaccine performs just as well in the real world as it did in trials, a landmark Israeli study of more than 1 million people suggests. It was 94% effective.

Pfizer's COVID-19 vaccine performs just as well in the real world as it did in trials, a landmark Israeli study of more than 1 million people suggests. It was 94% effective.

Business Insider

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Pfizer's COVID-19 vaccine was 94% effective against symptomatic coronavirus, a week after the second dose. This compared to 95% in clinical trials.

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