COVID-19 vaccine effectiveness against severe disease from SARS-CoV-2 Omicron BA.1 and BA.2 subvariants – surveillance results from southern Sweden, December 2021 to March 2022
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DOI: 10.2807/1560-7917.es.2022.27.18.2200322
Abstract: We compared vaccine effectiveness against severe COVID-19 between December 2021 and March 2022 when Omicron BA.1 and BA.2 were the dominating SARS-CoV-2 variants in Scania county, Sweden. Effectiveness remained above 80% after the transition from… read more here.
Keywords: vaccine effectiveness; december 2021; effectiveness severe; 2021 march ... See more keywords