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Volume 32, Number 8—August 2026

Dispatch

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

Maria L. TangComments to Author , Amy Douglas, Cristina Celma, Roberto Vivancos, Gauri Godbole, Thomas Ward, and Jonathon Mellor
Author affiliation: UK Health Security Agency, London, UK (M.L. Tang, A. Douglas, C. Celma, R. Vivancos, G. Godbole, T. Ward, J. Mellor); University of Oxford, Oxford, UK (A. Douglas); National Institute for Health and Care Research, Norwich, UK (R. Vivancos); University of Warwick, Coventry, UK (R. Vivancos).

Main Article

Figure 1

Number and proportion of positive norovirus test results and linked severe outcomes from a study of norovirus case-fatality risk in England during the 2022–23 and 2024–25 seasons. A) Number of de-duplicated positive norovirus test results. B) Number of hospital admissions within 14 days after a linked positive norovirus test result. C) Number of deaths occurring within 14 days of a linked positive norovirus test result. D) Proportion of norovirus genotypes among positive cases identified through the MOLIS. MOLIS, Modular Open Laboratory Information System; SGSS, Second Generation Surveillance Service.

Figure 1. Number and proportion of positive norovirus test results and linked severe outcomes from a study of norovirus case-fatality risk in England during the 2022–23 and 2024–25 seasons. A) Number of de-duplicated positive norovirus test results. B) Number of hospital admissions within 14 days after a linked positive norovirus test result. C) Number of deaths occurring within 14 days of a linked positive norovirus test result. D) Proportion of norovirus genotypes among positive cases identified through the MOLIS. MOLIS, Modular Open Laboratory Information System; SGSS, Second Generation Surveillance Service.

Main Article

Page created: June 28, 2026
Page updated: July 17, 2026
Page reviewed: July 17, 2026
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