Article

Waning Effectiveness of the Third Dose of the BNT162b2 mRNA COVID-19 Vaccine

2022-02-26

Abstract excerpt

The duration of protection of the third (booster) dose of the BioNTech/Pfizer BNT162b2 mRNA Coronavirus Disease 2019 vaccine has yet to be sufficiently researched, while global discussions around the necessity and effectiveness of a fourth dose are already underway. By conducting a retrospective study implementing a test-negative case-control design, analyzing 546,924 PCR tests performed throughout January 2022 by...

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Literature Corpus work: 128f87a5-1ffa-5ccb-b0d1-11ac8f41e37f
DOI: 10.1101/2022.02.25.22271494

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