An outbreak of Salmonella typhimurium DT170 associated with kebab meat and yoghurt relish

Evans, M. R., Salmon, R. L., Nehaul, L., Mably, S., Wafford, L., Nolan-Farrell, M. Z., Gardner, D. and Ribeiro, C. D. 1999. An outbreak of Salmonella typhimurium DT170 associated with kebab meat and yoghurt relish. Epidemiology and Infection 122 (3) , pp. 377-383. 10.1017/S0950268899002253

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Abstract

During July 1995, an outbreak of Salmonella typhimurium definitive type (DT) 170, an unusual strain, occurred in South Wales. A case-control study found that illness was associated with eating kebabs (odds ratio undefined, P=0·002), doner kebabs (odds ratio 7·9, 95% confidence interval 1·5–20·5, P=0·02) and kebabs with yoghurt based relish (odds ratio undefined, P=0·009) but not with eating kebabs with mayonnaise-based relish (odds ratio 2·4, 95% confidence interval 0·4–13·9, P=0·53). Environmental investigations discovered a complex web of producers and wholesale suppliers. Kebab meat and yoghurt had been supplied to the two main implicated outlets by a single wholesaler. Samples of raw minced lamb and several environmental swabs taken at the wholesaler were positive for S. typhimurium DT170. Blood- stained, unsealed yoghurt pots were observed to be stored under a rack of raw lamb. Investigators of food poisoning outbreaks linked to takeaway food should consider cross- contaminated relishes and dressings as well as undercooked meat as potential vehicles of infection.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Dentistry
Subjects:	R Medicine > R Medicine (General) R Medicine > RK Dentistry
Additional Information:	Pdf uploaded in accordance with publisher's policy at http://www.sherpa.ac.uk/romeo/issn/0950-2688/ (accessed 21/02/2014).
Publisher:	Cambridge University Press
ISSN:	0950-2688
Date of First Compliant Deposit:	30 March 2016
Last Modified:	06 May 2023 17:54
URI:	https://orca.cardiff.ac.uk/id/eprint/16221

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