National norovirus and rotavirus surveillance reports: 2025 to 2026 season
Reports of norovirus and rotavirus laboratory surveillance and enteric virus outbreaks in hospital settings in England during the 2025 to 2026 season.
Applies to England
Documents
Details
This report provides an overview of norovirus and rotavirus activity in England during the 2025 to 2026 season. It is published weekly during the winter period and monthly during the summer period.
From now on this report will include data up to the Sunday 4 days prior to publication, rather than the Sunday 11 days prior (as previously) in order to ensure timely release of information. Due to a reporting delay, figures for the most recent week prior to publication are likely to increase in subsequent reports as more samples become available.
The data presented is derived from 3 national UK Health Security Agency (UKHSA) systems, including laboratory reporting of norovirus and rotavirus, suspected and confirmed norovirus outbreaks in acute NHS trust hospitals, and molecular surveillance data on circulating strains of norovirus.
All surveillance data included in this report is extracted from live reporting systems, is subject to a reporting delay and so the number reported in the most recent weeks may rise further as more reports are received.
The week 11 report (data to week 10, up to 8 March 2026), scheduled to be published on 12 March 2026, was cancelled. This was because, due to a technical issue, data in the Second Generation Surveillance System (SGSS) was not correctly updated. The cause was identified and remediated but not in time for production of the week 11 report, which we therefore decided to cancel. The week 11 figures were instead included in the week 12 report, which was published on Thursday 19 March 2026.
A quality and methodology information report is available for this publication.
You can view pre-release access lists for national norovirus and rotavirus surveillance reports online.