Epidemiological investigation of a foodborne outbreak in Spain associated with U.S. West Coast genotypes of Vibrio parahaemolyticus
|Author(s)||Martinez-Urtaza Jaime1, Powell Andy2, Jansa Josep3, Castro Rey Jose Luis4, Paz Montero Oscar4, Garcia Campello Marta5, Zamora Lopez Ma Jose5, Pousa Anxela6, Faraldo Valles Ma Jose4, Trinanes Joaquin7, 8, 9, Hervio-Heath Dominique10, Keay William2, Bayley Amanda2, Hartnell Rachel2, Baker-Austin Craig2|
|Affiliation(s)||1 : Univ Bath, Dept Biol & Biochem, Milner Ctr Evolut, Bath BA2 7AY, Avon, England.
2 : Weymouth Lab, Ctr Environm Fisheries & Aquaculture Sci, Weymouth DT4 8UB, Dorset, England.
3 : European Ctr Dis Prevent & Control ECDC, Tomtebodavagen 11 A, S-17183 Stockholm, Sweden.
4 : Conselleria Sanidade, Xefatura Terr Pontevedra, Xunta De Galicia, Galicia, Spain.
5 : Complexo Hosp Pontevedra, Serv Microbioloxia, Pontevedra, Spain.
6 : Conselleria Sanidade, Direcc Xeral Innovac & Xest Saude Publ, Xunta De Galicia, Galicia, Spain.
7 : Univ Santiago de Compostela, Technol Res Inst, Lab Syst, Campus Univ Sur, Santiago De Compostela, Spain.
8 : NOAA, Atlantic Oceanog & Meteorol Lab, 4301 Rickenbacker Causeway, Miami, FL 33149 USA.
9 : Univ Miami, Cooperat Inst Marine & Atmospher Studies, Rosenstiel Sch Marine & Atmospher Sci, 4600 Rickenbacker Causeway, Miami, FL 33149 USA.
10 : IFREMER, Ctr Brest, Unite Environm Microbiol & Phycotoxines, Lab Microbiol LNR,Dept Ressources Biol, Plouzane, France.
|Source||Springerplus (2193-1801) (Springer International Publishing Ag), 2016-01 , Vol. 5 , P. -|
|WOS© Times Cited||34|
|Keyword(s)||Seafood, tdh, trh, Vibrio parahaemolyticus, PNW clone, ST 36|
|Abstract||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|