Research and analysis

Suspected and laboratory-confirmed reported norovirus outbreaks in hospitals: outbreaks occurring in weeks 27 to 31, 2015

Updated 15 January 2016

The hospital norovirus outbreak reporting scheme (HNORS) recorded 12 outbreaks occurring between weeks 27 and 31, 2015, all of which led to ward/bay closures or restriction to admissions. Five outbreaks (42%) were recorded as laboratory confirmed due to norovirus (see table). For the calendar year 2015 바카라 사이트“ between week 1 (January) and week 31 (week beginning 27 July) 바카라 사이트“ 533 outbreaks were reported. Ninety-five per cent (504) of reported outbreaks resulted in ward/bay closures or restrictions to admissions and 67% (358) were laboratory confirmed as due to norovirus (see table).

Suspected and laboratory-confirmed reported norovirus outbreaks in hospitals, with regional breakdown: outbreaks occurring in weeks 27 to 31 of 2015.

Region/PHE Centre Outbreaks between weeks 27 to 31/2015 Total outbreaks weeks 1 to 31/2015
Ģż Outbreaks Ward/bay closure* Lab-confirmed Outbreaks Ward/bay closure* Lab-confirmed
Avon, Gloucestershire and Wiltshire 바카라 사이트“ 바카라 사이트“ 바카라 사이트“ 60 59 47
Bedfordshire, Hertfordshire and Northamptonshire 바카라 사이트“ 바카라 사이트“ 바카라 사이트“ 7 7 6
Cheshire and Merseyside 바카라 사이트“ 바카라 사이트“ 바카라 사이트“ 8 6 8
Cumbria and Lancashire 바카라 사이트“ 바카라 사이트“ 바카라 사이트“ 38 37 20
Devon, Cornwall and Somerset 1 1 바카라 사이트“ 111 111 77
Greater Manchester 바카라 사이트“ 바카라 사이트“ 바카라 사이트“ 17 14 8
Hampshire, Isle of Wight and Dorset 바카라 사이트“ 바카라 사이트“ 바카라 사이트“ 24 23 19
Lincolnshire, Leicestershire, Nottinghamshire and Derbyshire 바카라 사이트“ 바카라 사이트“ 바카라 사이트“ 18 17 14
London 바카라 사이트“ 바카라 사이트“ 바카라 사이트“ 4 4 1
Norfolk, Suffolk, Cambridgeshire and Essex 바카라 사이트“ 바카라 사이트“ 바카라 사이트“ 바카라 사이트“ 바카라 사이트“ 바카라 사이트“
North east 3 3 2 48 45 30
Sussex, Surrey and Kent 1 1 1 17 17 13
Thames Valley 바카라 사이트“ 바카라 사이트“ 바카라 사이트“ 4 3 1
West Midlands 4 4 바카라 사이트“ 109 106 56
Yorkshire and the Humber 3 3 2 68 55 58
Total 12 12 5 533 504 358

* Note: not all outbreaks result in whole wards closures, some closures are restricted to bays only.

In the current season to date 바카라 사이트 , there have been 295 laboratory reports of norovirus (from week 27, 2014, to week 31, 2015). This is 35% higher than the average number of laboratory reports for the same period in the seasons between 2009/2010 and 2013/2014 (237).

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 the earlier report (based on LabBase2) and the new system (SGSS) may not be valid.