Pfizer Vaccine 94% Effective In Huge Real-World Study Of 1.2 M People

Pfizer Vaccine 94% Effective In Huge Real-World Study Of 1.2 M People

Outlook

A real-world test of Pfizer's Covid-19 vaccine in more than half a million people confirms that it's very effective at preventing serious illness or death, even after one dose.

Wednesday's published results, from a mass vaccination campaign in Israel, give strong reassurance that the benefits seen in smaller, limited testing persisted when the vaccine was used much more widely in a general population with various ages and health conditions.

The vaccine was 92% effective at preventing severe disease after two shots and 62% after one. Its estimated effectiveness for preventing death was 72% two to three weeks after the first shot, a rate that may improve as immunity builds over time.

Disclaimer: This is an automatically aggregated article/story by a computer program and has not been created or edited by Newsdig.in.

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