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Epidemiological investigation of a foodborne outbreak in Spain associated with U.S. West Coast genotypes of Vibrio parahaemolyticus

We describe an outbreak of seafood-associated Vibrio parahaemolyticus in Galicia, Spain in on 18th of August 2012 affecting 100 of the 114 passengers travelling on a food banquet cruise boat. Epidemiological information from 65 people was available from follow-on interviews, of which 51 cases showed...

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Autores principales: Martinez-Urtaza, Jaime, Powell, Andy, Jansa, Josep, Rey, José Luís Castro, Montero, Oscar Paz, Campello, Marta García, López, Mª José Zamora, Pousa, Anxela, Valles, Mª José Faraldo, Trinanes, Joaquin, Hervio-Heath, Domique, Keay, William, Bayley, Amanda, Hartnell, Rachel, Baker-Austin, Craig
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer International Publishing 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4729754/
https://www.ncbi.nlm.nih.gov/pubmed/26848427
http://dx.doi.org/10.1186/s40064-016-1728-1
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author Martinez-Urtaza, Jaime
Powell, Andy
Jansa, Josep
Rey, José Luís Castro
Montero, Oscar Paz
Campello, Marta García
López, Mª José Zamora
Pousa, Anxela
Valles, Mª José Faraldo
Trinanes, Joaquin
Hervio-Heath, Domique
Keay, William
Bayley, Amanda
Hartnell, Rachel
Baker-Austin, Craig
author_facet Martinez-Urtaza, Jaime
Powell, Andy
Jansa, Josep
Rey, José Luís Castro
Montero, Oscar Paz
Campello, Marta García
López, Mª José Zamora
Pousa, Anxela
Valles, Mª José Faraldo
Trinanes, Joaquin
Hervio-Heath, Domique
Keay, William
Bayley, Amanda
Hartnell, Rachel
Baker-Austin, Craig
author_sort Martinez-Urtaza, Jaime
collection PubMed
description We describe an outbreak of seafood-associated Vibrio parahaemolyticus in Galicia, Spain in on 18th of August 2012 affecting 100 of the 114 passengers travelling on a food banquet cruise boat. Epidemiological information from 65 people was available from follow-on interviews, of which 51 cases showed symptoms of illness. The food items identified through the questionnaires as the most probable source of the infections was shrimp. This product was unique in showing a statistically significant and the highest OR with a value of 7.59 (1.52–37.71). All the nine strains isolated from stool samples were identified as V. parahaemolyticus, seven were positive for both virulence markers tdh and trh, a single strain was positive for trh only and the remaining strain tested negative for both trh and tdh. This is the largest foodborne Vibrio outbreak reported in Europe linked to domestically processed seafood. Moreover, this is the first instance of strains possessing both tdh+ and trh+ being implicated in an outbreak in Europe and that a combination of strains represent several pathogenicity groups and belonging to different genetic variants were isolated from a single outbreak. Clinical isolates were associated with a novel genetic variant of V. parahaemolyticus never detected before in Europe. Further analyses demonstrated that the outbreak isolates showed indistinguishable genetic profiles with hyper-virulent strains from the Pacific Northwest, USA, suggesting a recent transcontinental spread of these strains.
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spelling pubmed-47297542016-02-04 Epidemiological investigation of a foodborne outbreak in Spain associated with U.S. West Coast genotypes of Vibrio parahaemolyticus Martinez-Urtaza, Jaime Powell, Andy Jansa, Josep Rey, José Luís Castro Montero, Oscar Paz Campello, Marta García López, Mª José Zamora Pousa, Anxela Valles, Mª José Faraldo Trinanes, Joaquin Hervio-Heath, Domique Keay, William Bayley, Amanda Hartnell, Rachel Baker-Austin, Craig Springerplus Research We describe an outbreak of seafood-associated Vibrio parahaemolyticus in Galicia, Spain in on 18th of August 2012 affecting 100 of the 114 passengers travelling on a food banquet cruise boat. Epidemiological information from 65 people was available from follow-on interviews, of which 51 cases showed symptoms of illness. The food items identified through the questionnaires as the most probable source of the infections was shrimp. This product was unique in showing a statistically significant and the highest OR with a value of 7.59 (1.52–37.71). All the nine strains isolated from stool samples were identified as V. parahaemolyticus, seven were positive for both virulence markers tdh and trh, a single strain was positive for trh only and the remaining strain tested negative for both trh and tdh. This is the largest foodborne Vibrio outbreak reported in Europe linked to domestically processed seafood. Moreover, this is the first instance of strains possessing both tdh+ and trh+ being implicated in an outbreak in Europe and that a combination of strains represent several pathogenicity groups and belonging to different genetic variants were isolated from a single outbreak. Clinical isolates were associated with a novel genetic variant of V. parahaemolyticus never detected before in Europe. Further analyses demonstrated that the outbreak isolates showed indistinguishable genetic profiles with hyper-virulent strains from the Pacific Northwest, USA, suggesting a recent transcontinental spread of these strains. Springer International Publishing 2016-01-27 /pmc/articles/PMC4729754/ /pubmed/26848427 http://dx.doi.org/10.1186/s40064-016-1728-1 Text en © Martinez-Urtaza et al. 2016 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
spellingShingle Research
Martinez-Urtaza, Jaime
Powell, Andy
Jansa, Josep
Rey, José Luís Castro
Montero, Oscar Paz
Campello, Marta García
López, Mª José Zamora
Pousa, Anxela
Valles, Mª José Faraldo
Trinanes, Joaquin
Hervio-Heath, Domique
Keay, William
Bayley, Amanda
Hartnell, Rachel
Baker-Austin, Craig
Epidemiological investigation of a foodborne outbreak in Spain associated with U.S. West Coast genotypes of Vibrio parahaemolyticus
title Epidemiological investigation of a foodborne outbreak in Spain associated with U.S. West Coast genotypes of Vibrio parahaemolyticus
title_full Epidemiological investigation of a foodborne outbreak in Spain associated with U.S. West Coast genotypes of Vibrio parahaemolyticus
title_fullStr Epidemiological investigation of a foodborne outbreak in Spain associated with U.S. West Coast genotypes of Vibrio parahaemolyticus
title_full_unstemmed Epidemiological investigation of a foodborne outbreak in Spain associated with U.S. West Coast genotypes of Vibrio parahaemolyticus
title_short Epidemiological investigation of a foodborne outbreak in Spain associated with U.S. West Coast genotypes of Vibrio parahaemolyticus
title_sort epidemiological investigation of a foodborne outbreak in spain associated with u.s. west coast genotypes of vibrio parahaemolyticus
topic Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4729754/
https://www.ncbi.nlm.nih.gov/pubmed/26848427
http://dx.doi.org/10.1186/s40064-016-1728-1
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