Effectiveness of mRNA booster vaccination against mild, moderate, and severe COVID-19 caused by the Omicron variant in a large, population-based, Norwegian cohort

作者: Ida Laake , Siri N Skodvin , Kristine Blix , Ida Henriette Caspersen , Håkon K Gjessing

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摘要: … We followed 85 801 participants (aged 31–81 years) in 2 large population-based cohorts during the Omicron BA.1/2 wave. Information on home testing, PCR testing, and symptoms of …

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