Table 1.
Selected characteristics of gastrointestinal outbreaks included in the study
| Outbreak no. and reference | Organism | No. of possible, probable and confirmed cases reported | Setting | Start of outbreak to last reported case or case definition | Geographical region(s) predominantly affected |
|---|---|---|---|---|---|
| 1* | Salmonella DT120 | 113 | University ball | 1–5 Mar. 2013 | North East |
| 2 [26] | Salmonella Agona PT40 | 592 | 3-day street food festival | 28 Feb. to 7 Mar. 2013 | North East |
| 3 [27] | Not identified | 338 (152 in London region, 68 in Kent, Surrey and Sussex) | Organized swimming competition in the Thames river | 7–16 Oct. 2012 | London, South East |
| 4* | Norovirus (suspected) | 457 | Secondary school | 17–19 Dec. 2012 | South East |
| 5* | Bacillus cereus | 230 | Nurseries geographically dispersed across the South East | 30 May to 1 June 2012 | South East |
| 6 [28] | Clostridium perfringens | 150 | Secondary school | 21–23 Mar. 2013 | London |
| 7* | Campylobacter | 89 | Residential educational institute | 18 May 2010 to 6 June 2010 | Yorkshire & Humber |
| 8 [29] | Salmonella enterica | 327 | Prison | 13–20 Sept. 2009 | London |
* Outbreak details gathered from personal communication with relevant health protection teams.