Case-Fatality Risk of Norovirus, England, 2022–2025

Emerging Infectious Diseases · Published 2026-07-29 · DOI 10.3201/eid3208.260091

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Authors (7)

Maria L. Tang, Amy Douglas, Cristina Celma, Roberto Vivancos, Gauri Godbole, Thomas Ward, Jonathon Mellor

Abstract

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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Publication details

Year
2026

Citation

Tang, M., Douglas, A., Celma, C., et al. (2026). Case-Fatality Risk of Norovirus, England, 2022–2025. Emerging Infectious Diseases. https://doi.org/10.3201/eid3208.260091

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