Suspected and laboratory-confirmed reported norovirus outbreaks in hospitals: outbreaks occurring in weeks 44 to 47, 2016
Updated 13 January 2017
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The hospital norovirus outbreak reporting scheme (HNORS) recorded 47 outbreaks occurring between weeks 44 and 47, 2016, all of which led to ward/bay closures or restriction to admissions and were recorded as laboratory-confirmed due to norovirus. Between week 1 (week beginning 4 January 2016) and week 47 (week beginning 28 November 2016) 461 outbreaks were reported. Ninety-seven per cent (446) of reported outbreaks resulted in ward/bay closures or restrictions to admissions and 77% (344) were laboratory-confirmed as due to norovirus.
Suspected and laboratory-confirmed reported norovirus outbreaks in hospitals, with regional breakdown: outbreaks occurring in weeks 44 to 47 of 2016
| Region/PHE Centre | Outbreaks between weeks 44 to 47/2016 | Total outbreaks weeks 1 to 47/2016 | ||||
|---|---|---|---|---|---|---|
| Outbreaks | Ward/bay closure* | Lab-confirmed | Outbreaks | Ward/bay closure* | Lab-confirmed | |
| East of England | 1 | 1 | 1 | 1 | 1 | 1 |
| East Midlands | – | – | – | 27 | 25 | 25 |
| London | – | – | – | 1 | 1 | – |
| North East | 3 | 3 | 1 | 70 | 66 | 52 |
| North West | 1 | 1 | – | 44 | 44 | 28 |
| South East | 9 | 9 | 3 | 46 | 45 | 30 |
| South West | 15 | 15 | 15 | 121 | 121 | 98 |
| West Midlands | 10 | 10 | 7 | 54 | 50 | 33 |
| Yorkshire and Humberside | 8 | 8 | 2 | 97 | 93 | 77 |
| Total | 47 | 47 | 29 | 461 | 446 | 344 |
* Note: not all outbreaks result in whole wards closures, some closures are restricted to bays only.
† 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 system (SGSS) may not be valid.