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Updated 13 February 2025
Applies to England
... Main points
The main messages of this report are:
Applies to England
... Main points
The main messages of this report are:
- norovirus activity has remained high in recent weeks, particularly in adults aged 65 years and over
- the total number of norovirus laboratory reports during weeks 4 and 5 of 2025 was more than double (116.7%) the 5-season average for the same 2-week period
- rotavirus reporting has increased in recent weeks but was within expected levels during the 2-week period of weeks 4 and 5 of 2025
- the number of norovirus outbreaks reported to the Hospital Norovirus Outbreak Reporting System (HNORS) since the start of the 2024/2025 season is 22.6% higher than the 5-season average
- during the 2024/2025 season to date, the majority (91.3%) of samples characterised were norovirus genogroup 2 (GII), of which the most frequently identified genotype was GII.17 (54.7%) ...