Collaborative investigation of an outbreak of Salmonella enterica serotype Newport in England and Wales in 2001 associated with ready-to-eat salad vegetables.

L. R. Ward*, C. Maguire, M. D. Hampton, E. de Pinna, H. R. Smith, C. L. Little, I. A. Gillespie, S. J. O'Brien, R. T. Mitchell, C. Sharp, R. A. Swann, O. Doyle, John Threlfall

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)

Abstract

In June 2001, as part of a microbiological study of bagged, ready-to-eat salad products, Salmonella enterica serotype Newport was isolated from a sample of pre-packed green salad distributed by a major supermarket retailer. The strain was characterised by phage typing, plasmid profile typing and pulsed-field gel electrophoresis. Other isolates of S. Newport from cases of human infection in England and Wales in the first six months of 2001 were similarly characterised. Of 60 strains from cases of human infection, 19 were found to be indistinguishable from that isolated from the salad product. This study highlights the benefits of an integrated approach to outbreak investigations, involving the various elements of the PHLS and the Food Standards Agency, and acknowledges the full co-operation of the retailer in ensuring the rapid withdrawal of the contaminated product.

Original languageEnglish
Pages (from-to)301-304
Number of pages4
JournalCommunicable disease and public health / PHLS
Volume5
Issue number4
Publication statusPublished - Dec 2002

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This record is sourced from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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