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Abstract

In May 2016, two separate clusters of febrile gastroenteritis caused by were detected by the local health authority in Piedmont, in northern Italy. We carried out epidemiological, microbiological and traceback investigations to identify the source. The people affected were students and staff members from two different schools in two different villages located in the Province of Turin; five of them were hospitalised. The epidemiological investigation identified a cooked beef ham served at the school canteens as the source of the food-borne outbreak. was isolated from the food, the stools of the hospitalised pupils and the environment of the factory producing the cooked beef ham. All isolates except one were serotype 1/2a, shared an indistinguishable PFGE pattern and were 100% identical by whole genome sequencing (WGS). By combining a classical epidemiological approach with both molecular subtyping and WGS techniques, we were able to identify and confirm a gastroenteritis outbreak associated with consumption of sliced cold beef ham.

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An addendum has been published for this content:
Addendum for Euro Surveill. 2018;23(10)
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/content/10.2807/1560-7917.ES.2018.23.10.17-00155
2018-03-08
2024-12-19
/content/10.2807/1560-7917.ES.2018.23.10.17-00155
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Outbreak of febrile gastroenteritis caused by Listeria monocytogenes 1/2a in sliced cold beef ham, Italy, May 2016
<p class="citation"> <span>Citation style for this article:</span> <span class="meta-value authors"> <a href="/search?value1=Cristiana+Maurella&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Maurella Cristiana</a>, <a href="/search?value1=Silvia+Gallina&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Gallina Silvia</a>, <a href="/search?value1=Giuseppe+Ru&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Ru Giuseppe</a>, <a href="/search?value1=Daniela+Adriano&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Adriano Daniela</a>, <a href="/search?value1=Alberto+Bellio&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Bellio Alberto</a>, <a href="/search?value1=Daniela+Manila+Bianchi&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Bianchi Daniela Manila</a>, <a href="/search?value1=Laura+Chiavacci&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Chiavacci Laura</a>, <a href="/search?value1=Maria+Ines+Crescio&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Crescio Maria Ines</a>, <a href="/search?value1=Margherita+Croce&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Croce Margherita</a>, <a href="/search?value1=Valeria+D%26apos%3BErrico&option1=author&noRedirect=true" class="nonDisambigAuthorLink">D&apos;Errico Valeria</a>, <a href="/search?value1=Maria+Franca+Dupont&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Dupont Maria Franca</a>, <a href="/search?value1=Alessandro+Marra&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Marra Alessandro</a>, <a href="/search?value1=Ubaldo+Natangelo&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Natangelo Ubaldo</a>, <a href="/search?value1=Francesco+Pomilio&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Pomilio Francesco</a>, <a href="/search?value1=Angelo+Romano&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Romano Angelo</a>, <a href="/search?value1=Stefano+Stanzione&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Stanzione Stefano</a>, <a href="/search?value1=Teresa+Zaccaria&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Zaccaria Teresa</a>, <a href="/search?value1=Fabio+Zuccon&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Zuccon Fabio</a>, <a href="/search?value1=Maria+Caramelli&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Caramelli Maria</a>, <a href="/search?value1=Lucia+Decastelli&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Decastelli Lucia</a></span>. Outbreak of febrile gastroenteritis caused by Listeria monocytogenes 1/2a in sliced cold beef ham, Italy, May 2016. <a href="/content/ecdc">Euro Surveill.</a> 2018;23(10):pii=17-00155. <a href="https://doi.org/10.2807/1560-7917.ES.2018.23.10.17-00155" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2018.23.10.17-00155</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 01 Mar 2017;&nbsp;&nbsp; <span class="generated">Accepted</span>: 24 May 2017 </span> </p>
/content/10.2807/1560-7917.ES.2018.23.10.17-00155
/content/10.2807/1560-7917.ES.2018.23.10.17-00155
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