National norovirus and rotavirus report, week 13 report: data to week 11 (data up to 16 March 2025)

Summary of norovirus and rotavirus laboratory surveillance and enteric virus outbreaks in England during the 2024 to 2025 season. This is an additional release within the pre-announced statistical series to enable more timely monitoring of higher norovirus trends during a period when cadence of reporting is normally less frequent.