Article
Case-Fatality Risk of Norovirus, England, 2022-2025.
Emerging infectious diseases - 1 Aug 2026
Tang Maria L, Douglas Amy, Celma Cristina, Vivancos Roberto, Godbole Gauri, Ward Thomas, Mellor Jonathon
Abstract excerpt
Norovirus incidence increased in England during 2022-2025, when GII.17 replaced GII.4 as the dominant genotype. By using nationally linked norovirus testing and fatality data, we found age and care setting, but not genotype, were associated with case-fatality risk. Increased incidence might reflect changes in transmissibility or population immunity.
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