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Vero cytotoxigenic Escherichia coli (VTEC) O157 

Vero cytotoxigenic Escherichia coli (VTEC) O157

Chapter:
Vero cytotoxigenic Escherichia coli (VTEC) O157
Author(s):

Ken Lamden

, Sam Rowell

, and Andrew Fox

DOI:
10.1093/med/9780198745471.003.0005
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date: 26 March 2017

This chapter describes a cluster of diarrhoeal disease caused by E.coli O157 in a case scenario involving infection following a farm visit, and possible subsequent spread within a nursery. Background information on the epidemiology of E.coli O157 indicates the role of farm contact in infection, and the risk factors for transmission. In addition to providing clear case definitions, the risk groups of contacts are described in detail. ‘Top tips’ are given, to assist the health protection practitioner take timely and appropriate action, and ‘tools of the trade’ list the laboratory, epidemiological, and veterinary components of the investigation. The statutory safety legislation required at the source farm is explained, and the importance of communication with the affected families is emphasized. The final part of the chapter considers other possible scenarios, including the possibility of food from the farm café being the source.

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