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Abstract

Between 2014 and 2015, the European Centre for Disease Prevention and Control was informed of an increase in numbers of serotype Chester cases with travel to Morocco occurring in six European countries. Epidemiological and microbiological investigations were conducted. In addition to gathering information on the characteristics of cases from the different countries in 2014, the epidemiological investigation comprised a matched case–case study involving French patients with salmonellosis who travelled to Morocco that year. A univariate conditional logistic regression was performed to quantify associations. The microbiological study included a whole genome sequencing (WGS) analysis of clinical and non-human isolates of . Chester of varied place and year of isolation. A total of 162 cases, mostly from France, followed by Belgium, the Netherlands, Spain, Denmark and Sweden were reported, including 86 (53%) women. The median age per country ranged from 3 to 38 years. Cases of . Chester were more likely to have eaten in a restaurant and visited the coast of Morocco. The results of WGS showed five multilocus sequence types (ST), with 96 of 153 isolates analysed clustering into a tight group that corresponded to a novel ST, ST1954. Of these 96 isolates, 46 (48%) were derived from food or patients returning from Morocco and carried two types of plasmids containing either or genes. This European-wide outbreak associated with travel to Morocco was likely a multi-source outbreak with several food vehicles contaminated by multidrug-resistant . Chester strains.

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2017-02-16
2024-11-28
http://instance.metastore.ingenta.com/content/10.2807/1560-7917.ES.2017.22.7.30463
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Multinational outbreak of travel-related Salmonella Chester infections in Europe, summers 2014 and 2015
<p class="citation"> <span>Citation style for this article:</span> <span class="meta-value authors"> <a href="/search?value1=Laure+Fonteneau&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Fonteneau Laure</a>, <a href="/search?value1=Nathalie++Jourdan+Da+Silva&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Jourdan Da Silva Nathalie </a>, <a href="/search?value1=Laetitia+Fabre&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Fabre Laetitia</a>, <a href="/search?value1=Philip+Ashton&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Ashton Philip</a>, <a href="/search?value1=Mia+Torpdahl&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Torpdahl Mia</a>, <a href="/search?value1=Luise+M%C3%BCller&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Müller Luise</a>, <a href="/search?value1=Brahim+Bouchrif&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Bouchrif Brahim</a>, <a href="/search?value1=Abdellah+El+Boulani&option1=author&noRedirect=true" class="nonDisambigAuthorLink">El Boulani Abdellah</a>, <a href="/search?value1=Eleni+Valkanou&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Valkanou Eleni</a>, <a href="/search?value1=Wesley+Mattheus&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Mattheus Wesley</a>, <a href="/search?value1=Ingrid+Friesema&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Friesema Ingrid</a>, <a href="/search?value1=Silvia++Herrera+Leon&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Herrera Leon Silvia </a>, <a href="/search?value1=Carmen++Varela+Mart%C3%ADnez&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Varela Martínez Carmen </a>, <a href="/search?value1=Jo%C3%ABl+Mossong&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Mossong Joël</a>, <a href="/search?value1=Ettore+Severi&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Severi Ettore</a>, <a href="/search?value1=Kathie+Grant&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Grant Kathie</a>, <a href="/search?value1=Fran%C3%A7ois-Xavier+Weill&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Weill François-Xavier</a>, <a href="/search?value1=C%C3%A9line+M+Gossner&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Gossner Céline M</a>, <a href="/search?value1=Sophie+Bertrand&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Bertrand Sophie</a>, <a href="/search?value1=Tim+Dallman&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Dallman Tim</a>, <a href="/search?value1=Simon+Le+Hello&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Le Hello Simon</a></span>. Multinational outbreak of travel-related Salmonella Chester infections in Europe, summers 2014 and 2015. <a href="/content/ecdc">Euro Surveill.</a> 2017;22(7):pii=30463. <a href="https://doi.org/10.2807/1560-7917.ES.2017.22.7.30463" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2017.22.7.30463</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 07 Jul 2016;&nbsp;&nbsp; <span class="generated">Accepted</span>: 06 Feb 2017 </span> </p>
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