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regular-article-logo Wednesday, 27 November 2024

Three doses of Pfizer Covid vaccine better than two: Study

The research evaluates electronic health records of 3.1 million members of Kaiser Permanente in Southern California from Dec 2020 to Dec 2021

Our Bureau, PTI Washington Published 15.02.22, 07:14 PM
The researchers assessed the effectiveness of three doses of the vaccine up to three months after vaccination.

The researchers assessed the effectiveness of three doses of the vaccine up to three months after vaccination. File picture

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