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Enteric

Published on:
8 August 2014

Next update: 12 September 2014
Last updated: 8 August 2014, Volume 8, No 31 (PDF file: 700 KB

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Enteric Routine Data Reports

 

 

 


General outbreaks of foodborne illness in humans, England and Wales: weeks 27-31/2014

Preliminary information has been received about the following outbreaks.

 
PHE Centre/
HPT
Organism
Location
of food prepared or served
Month of outbreak
Cases positive
Number ill
Suspect vehicle
Evidence
South West South
Salmonella spp, non-typhoidal or unspecified Other July 10 Not known Not known N/k
West Midlands East
Salmonella spp, unspecified Nursery July 2 Not known Not known N/k
Cheshire and Merseyside
Salmonella spp, unspecified Take-away July 18 Not known Not known N/k
Hampshire, Isle of Wight and Dorset
Salmonella spp, non-typhoidal or unspecified Restaurant July 53 13 Not known N/k
North East and Central London
Not known Other July 15 Not known Not known N/k
Beds, Herts and Northamtonshire
Not known Club July 13 Cold buffet sandwiches, sausage rolls, samosas and birthday cake D
Cumbria and Lancashire
Campylobacter Pub July 2 Not known Not known N/k
Cumbria and Lancashire
Bacillus cereus Take-away July 2 Not known Not known N/k
D = Descriptive epidemiological evidence: suspicion of a food vehicle in an outbreak based on the identification of common food exposures, from the systematic evaluation of cases and their characteristics and food histories over the likely incubation period by standardised means (such as standard questionnaires) from all, or an appropriate subset of, cases.

 

 

 




Common gastrointestinal infections, England and Wales: laboratory reports: weeks 27-31/2014

 

Laboratory reports

Number of reports received

Total reports

Cumulative
total

27/14

28/14

29/14

30/14
31/14

23-26/14

1-31/14

1-31/13

Campylobacter
1726
1574
1392
1286
558
6536
35671
33948
E. coli O157 *
14
24
23
12
16
89
339
329
Salmonella **
148
155
126
76
2
507
3047
3687
Shigella sonnei
17
28
17
16
3
81
592
520
Rotavirus
65
55
59
42
18
239
3666
14033
Norovirus
52
60
42
42
25
221
3122
5460
Cryptosporidium
45
57
37
42
22
203
1652
1730
Giardia
64
59
69
66
22
280
2014
1972
* Ver cytotoxin producing isolates (data from PHE's Laboratory of Gastrointestinal Pathogens, LGP)
** Data from LGP.

 

 

Salmonella infections (faecal specimens) England and Wales, laboratory reports (PHE salmonella data set): June 2014

Details of 343 serotypes of salmonella infections recorded in June are given in the table below.

In July 2014, 481 salmonella infections were recorded.

Organism

Cases: June 2014

S. Enteritidis PT4
8
S. Enteritidis (other PTs)
196
S. Typhimurium
106
S. Virchow
11
Others (typed)
22
Total salmonella (provisional data)
343

 

Suspected and laboratory-confirmed reported norovirus outbreaks in hospitals, with regional breakdown: outbreaks occurring in weeks 27-31/2014

The hospital norovirus outbreak reporting scheme (HNORS) recorded 14 outbreaks occurring between weeks 27 and 31,2014, all of which led to ward/bay closures or restriction to admissions. Seven (50 per cent) outbreaks were recorded as laboratory confirmed due to noroviru s . From week 1 (January 2014) to week 31 (week beginning 28 July 2014) 400 outbreaks have been reported. Ninety-three per cent (373) of reported outbreaks resulted in ward/bay closures or restrictions to admissions and 65 per cent (259) were laboratory confirmed as due to norovirus.


.Suspected and laboratory-confirmed reported norovirus outbreaks in hospitals, with regional breakdown: outbreaks occurring in weeks 27-31/2014

Region/
PHE Centre

Outbreaks between weeks
27-31/2014

Total outbreaks 1-31/2014

Outbreaks

Ward/bay closure*

Lab-confirmed

Outbreaks

Ward/bay closure*

Lab-confirmed

Avon, Gloucestershire and Wiltshire

45

45

27

Bedfordshire, Hertfordshire and Northamptonshire

Cheshire and Merseyside

1

1

1

Cumbria and Lancashire

4

4

2

16

16

9

Devon, Cornwall and Somerset

2

2

41

40

20

Greater Manchester

15

14

4

Hampshire, Isle of Wight and Dorset

22

22

13

Lincolnshire, Leicestershire, Nottinghamshire and Derbyshire

36

35

27

London

1

1

7

7

5

Norfolk, Suffolk, Cambridgeshire and Essex

North east

3

3

2

41

35

28

Sussex, Surrey and Kent

2

2

2

20

20

15

Thames Valley

12

12

4

West Midlands

50

49

26

Yorkshire and the Humber

2

2

1

94

77

80

Total

14

14

7

400

373

259

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

 

Figure 1. Current weekly norovirus laboratory reports compared to weekly mean reports 2006-2010

 

In the current season to date † (from week 27, 2014, to week 30, 2015), there were 195 laboratory reports of norovirus. This is 14 per cent higher than the average number of laboratory reports for the same period in the seasons between 2007/08 and 2011/2012 (171)*. The number of laboratory reports in the most recent weeks will increase as further reports are received.


† The norovirus season runs from July to June (week 27 in year one to week 26 in year two) in order to capture the winter peak in one season.
* The 2012/2013 season began earlier than normal so comparisons between the current and earlier years would not be valid.


Figure 2. Seasonal comparison of laboratory reports of norovirus (England and Wales) 2006-2010

Enteric fever surveillance quarterly report (England, Wales and Northern Ireland): second quarter 2014

This quarterly report, which can be downloaded using the link below, summarises the epidemiology of laboratory confirmed cases of typhoid and paratyphoid reported in England, Wales and Northern Ireland between April and June 2014 (weeks 14-26). It includes both reference laboratory and enhanced enteric fever surveillance data. All data are provisional; final and more detailed reports will be produced on an annual basis.

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