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Vaccine effectiveness with BNT162b2 (Comirnaty, Pfizer-BioNTech) vaccine against reported SARS-CoV-2 Delta and Omicron infection among adolescents, Norway, August 2021 to January 2022 | medRxiv

medRxiv - The Preprint Server for Health Sciences
https://www.medrxiv.org/content/10.1101/2022.03.24.22272854v1