Article

Changing impact of COVID-19 vaccination on COVID-19 mortality in the SARS-CoV-2 omicron variant period, 2022-2025

2025-11-21

Abstract excerpt

Understanding COVID-19 vaccine impact on disease outcome rates is important to inform COVID-19 vaccination program recommendations. Among 4 million Australian adults aged 65+ years we tracked COVID-19 vaccine effectiveness in preventing COVID-19-specific mortality over 7 time-periods between 2022-2025 corresponding to different SARS-CoV-2 Omicron subvariant circulation and variant-specific vaccine formulations. In...

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Literature Corpus work: efb87693-910f-5683-b237-d51016df3fd1
DOI: 10.1101/2025.11.20.25340696

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