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Abstract

An outbreak of Shiga toxin-producing (STEC) O157:H7 occurred on the Isle of Wight between August and October 2017. Of the seven cases linked to the outbreak, five were identified through the statutory notification process and two were identified through national surveillance of whole genome sequencing data. Enhanced surveillance questionnaires established a common link to a farm, and link to the likely food vehicle, raw drinking milk (RDM). Microbiological investigations, including PCR, identified the presence of STEC O157:H7 in samples of RDM. Analysis of core genome single nucleotide polymorphism (SNP) data of STEC O157:H7 from human stool specimens, animal faecal samples and RDM demonstrated a one SNP difference between isolates, and therefore close genetic relatedness. Control measures that were put in place included suspension of sales and recall of RDM, as well as restrictions on public access to parts of the farm. Successful integration of traditional epidemiological surveillance and advanced laboratory methods for the detection and characterisation of STEC O157:H7 from human, animal and environmental samples enabled prompt identification of the outbreak vehicle and provided evidence to support the outbreak control team’s decision-making, leading to implementation of effective control measures in a timely manner.

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/content/10.2807/1560-7917.ES.2019.24.16.1800191
2019-04-18
2024-12-22
/content/10.2807/1560-7917.ES.2019.24.16.1800191
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Outbreak of Shiga toxin-producing Escherichia coli O157:H7 linked to raw drinking milk resolved by rapid application of advanced pathogen characterisation methods, England, August to October 2017
<p class="citation"> <span>Citation style for this article:</span> <span class="meta-value authors"> <a href="/search?value1=Juli+Treacy&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Treacy Juli</a>, <a href="/search?value1=Claire+Jenkins&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Jenkins Claire</a>, <a href="/search?value1=Karthik+Paranthaman&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Paranthaman Karthik</a>, <a href="/search?value1=Frieda+Jorgensen&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Jorgensen Frieda</a>, <a href="/search?value1=Doris+Mueller-Doblies&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Mueller-Doblies Doris</a>, <a href="/search?value1=Muna+Anjum&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Anjum Muna</a>, <a href="/search?value1=Lukeki+Kaindama&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Kaindama Lukeki</a>, <a href="/search?value1=Hassan+Hartman&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Hartman Hassan</a>, <a href="/search?value1=Miranda+Kirchner&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Kirchner Miranda</a>, <a href="/search?value1=Therese+Carson&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Carson Therese</a>, <a href="/search?value1=Ishani+Kar-Purkayastha&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Kar-Purkayastha Ishani</a></span>. Outbreak of Shiga toxin-producing Escherichia coli O157:H7 linked to raw drinking milk resolved by rapid application of advanced pathogen characterisation methods, England, August to October 2017. <a href="/content/ecdc">Euro Surveill.</a> 2019;24(16):pii=1800191. <a href="https://doi.org/10.2807/1560-7917.ES.2019.24.16.1800191" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2019.24.16.1800191</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 14 Apr 2018;&nbsp;&nbsp; <span class="generated">Accepted</span>: 07 Dec 2018 </span> </p>
/content/10.2807/1560-7917.ES.2019.24.16.1800191
/content/10.2807/1560-7917.ES.2019.24.16.1800191
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