Suspected and laboratory-confirmed reported norovirus outbreaks in hospitals: outbreaks occurring in weeks 48 to 52, 2017
Updated 8 December 2017
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The hospital norovirus outbreak reporting scheme (HNORS) recorded 84 outbreaks occurring between weeks 48 and 52, 2017, 79 of which led to ward/bay closures or restriction to admissions and 67 (80%) were recorded as laboratory-confirmed due to norovirus. From week 1 (week beginning 2 January 2017) to week 52 (week beginning 25 December 2017) 355 outbreaks were reported. Ninety-four per cent (334) of reported outbreaks resulted in ward/bay closures or restrictions to admissions and 81% (269) were laboratory-confirmed as due to norovirus.
Suspected and laboratory-confirmed reported norovirus outbreaks in hospitals, with regional breakdown: outbreaks occurring in weeks 48 to 52 of 2017
| Region/PHE Centre | Outbreaks between weeks 48 to 52, 2017 | Total outbreaks weeks 1 to 52, 2017 | ||||
|---|---|---|---|---|---|---|
| Ā | Outbreaks | Ward/bay closure* | Lab-confirmed | Outbreaks | Ward/bay closure* | Lab-confirmed |
| East of England | 바카라 사이트 | 바카라 사이트 | 바카라 사이트 | 바카라 사이트 | 바카라 사이트 | 바카라 사이트 |
| East Midlands | 2 | 2 | 2 | 16 | 16 | 16 |
| London | 3 | 3 | 2 | 4 | 4 | 2 |
| North East | 17 | 14 | 13 | 55 | 49 | 35 |
| North West | 5 | 5 | 4 | 35 | 34 | 27 |
| South East | 6 | 6 | 4 | 28 | 27 | 31 |
| South West | 22 | 22 | 16 | 100 | 98 | 81 |
| West Midlands | 28 | 26 | 26 | 84 | 78 | 65 |
| Yorkshire and Humberside | 1 | 1 | 바카라 사이트 | 33 | 28 | 22 |
| Total | 84 | 79 | 67 | 355 | 334 | 269 |
* Note: not all outbreaks result in whole wards closures, some closures are restricted to bays only.
In the current season to date 바카라 사이트 (from week 1, 2017, to week 52, 2017), there were 5349 laboratory reports of norovirus. This is 30% lower than the average number of laboratory reports for the same period in the seasons between 2012 and 2016 (7657).
바카라 사이트 The norovirus season runs from July to June (week 27 in year 1 to week 26 in year 2) in order to capture the winter peak in one season.
Note: The number of laboratory reports in the most recent weeks will increase as further reports are received. On 1 December 2014 a new laboratory reporting system was commissioned; as a result, direct comparisons between earlier reports (based on LabBase2) and the new Second Generation Surveillance System (SGSS) may not be valid.