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Outbreak of Salmonella enteritidis PT14b gastroenteritis at a restaurant in England: the use of molecular typing to achieve a successful prosecution.

Chatt, C and Nicholds-Trainor, D and Scrivener, A and Suleman, S and Harvey, M and Dallman, T and Hawker, J and Sibal, B (2017) Outbreak of Salmonella enteritidis PT14b gastroenteritis at a restaurant in England: the use of molecular typing to achieve a successful prosecution. Public health, 151. pp. 51-58. ISSN 1476-5616. This article is available to all HEFT staff and students via ASK Discovery tool http://tinyurl.com/z795c8c by using their HEFT Athens login IDs

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Official URL: http://www.publichealthjrnl.com/article/S0033-3506...

Abstract

OBJECTIVES

To describe an outbreak of Salmonella enteritidis phage type (PT) 14b in people who had eaten at a restaurant, and the investigation and subsequent prosecution of the food business operator (FBO).

STUDY DESIGN

The local health protection team and environmental health department formed an outbreak control team to investigate the outbreak.

METHODS

Epidemiological, microbiological, and environmental investigations were undertaken. Epidemiological investigations involved case finding and interviews. Microbiological investigation: stool samples from the suspected cases and environmental samples from the implicated food business were investigated. Salmonella isolates obtained were subjected to multiple locus variable-number tandem repeat analysis (MLVA) profiling and whole genome sequencing. In addition, adenosine triphosphate (ATP) hygiene swab tests were used to verify the quality of cleaning procedures and data loggers were used to determine the water temperature of the mechanical dishwasher.

RESULTS

Fifteen cases of illness where the causative agent was shown to be S. enteritidis PT14b were identified, all of whom had eaten at the same restaurant. S. enteritidis PT14b was also identified from three of the 11 food and environmental samples taken at the restaurant and found to have the same MLVA profile as the cases. A case for prosecution was built and the FBO was successfully prosecuted in July 2015.

CONCLUSIONS

This investigation highlighted that the use of molecular typing as part of thorough epidemiological, microbiological, and environmental investigations can present a robust case for prosecution against restaurants which pose a risk to public health.

Item Type: Article
Additional Information: This article is available to all HEFT staff and students via ASK Discovery tool http://tinyurl.com/z795c8c by using their HEFT Athens login IDs
Subjects: WI Digestive system. Gastroenterology
Divisions: Planned IP Care > Gastroentrology
Related URLs:
Depositing User: Mrs Semanti Chakraborty
Date Deposited: 27 Nov 2017 15:13
Last Modified: 27 Nov 2017 15:13
URI: http://www.repository.heartofengland.nhs.uk/id/eprint/1468

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