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Community-wide outbreak of Escherichia coli O157:H7 associated with consumption of frozen beef burgers / King LA in Epidemiology and Infection [Epidemiol Infect], Vol. 137, N° 6 (06/2009)

[article]  inEpidemiology and Infection [Epidemiol Infect] > Vol. 137, N° 6 (06/2009) . - 889-96 Titre : Community-wide outbreak of Escherichia coli O157:H7 associated with consumption of frozen beef burgers Type de document : Article scientifique Auteur(s) : King LA ; Mailles A ; Mariani Kurkdjian P ; Vernozy Rozand C ; Montet MP ; Grimont F ; Pihier N ; de Valk H ; Perret F ; Bingen E ; Espie E ; Vaillant V Appartenance auteur(s) InVS DMI Année de publication : 2009 Article en page(s) : 889-96 Langues : Anglais (eng) Mots-clés : Epidémie ; Escherichia coli 0157 ; Viande ; Surgélation ; Contamination aliment ; SHU ; Enquête épidémiologique ; Pyrénées Atlantiques ; Gironde Résumé : On 24-25 October 2005 a cluster of five haemolytic uraemic syndrome (HUS) cases was reported in southwest France. An investigation was undertaken to identify the outbreak source and implement control measures. Cases were defined as individuals with HUS or diarrhoea with isolation of Escherichia coli O157:H7 in stools or a positive antibody response to E. coli O157 lipopolysaccharide, resident in southwest France with symptom onset after 19 September 2005. Sixty-nine identified patients had symptom onset between 5 October and 3 November 2005, including 17 cases of HUS. One brand of frozen beef burgers produced on 22 August 2005 was consumed by all patients in the week before symptom onset. E. coli O157:H7 strains from patients, patients' burgers and the manufacturing plant were genetically related. This is the largest community-wide outbreak of E. coli O157:H7 in France to date and the first associated with consumption of contaminated frozen beef burgers.(R.A.) PMID Pubmed : Pubmed : 18945376 Lien externe DOI : DOI : 10.1017/S0950268808001490 Corpus : Production scientifique InVS Permalink : http://opac.invs.sante.fr/index.php?lvl=notice_display&id=1086 [article]

O148 Shiga toxin-producing escherichia coli outbreak : microbiological investigation as a useful complement to epidemiological investigation / Espie E in Clinical microbiology and infection [Clin Microbiol Infect], Vol. 12, N° 10 (10/2006)

[article]  inClinical microbiology and infection [Clin Microbiol Infect] > Vol. 12, N° 10 (10/2006) . - 992-8 Titre : O148 Shiga toxin-producing escherichia coli outbreak : microbiological investigation as a useful complement to epidemiological investigation Type de document : Article scientifique Auteur(s) : Espie E ; Grimont F ; Vaillant V ; Montet MP ; Carle I ; Bavai C ; de Valk H ; Vernozy Rozand C Appartenance auteur(s) InVS DMI Année de publication : 2006 Article en page(s) : 992-8 Langues : Anglais (eng) Mots-clés : Escherichia coli ; TIAC ; Enquête cohorte ; France Résumé : An outbreak of Shiga toxin-producing Escherichia coli (STEC) O148 infection occurred among wedding attendees in France in June 2002. A retrospective cohort study was performed and ten cases were identified, including two adults with haemolytic uraemic syndrome (HUS). The analytical study revealed that > 80% of affected individuals had eaten lightly roasted mutton and poultry pate, but only the consumption of pate tended to be associated with illness (relative risk 3.4; 95% CI 0.8-14.4). Left-overs (cooked mutton and raw offal) and processed foods (pate) from the same batches as served at the party were sampled. Human, food and environmental samples were examined for the Shiga toxin (stx) gene and virulence traits by PCR. Stx-positive samples were cultured for STEC. HUS cases were tested for serum antibodies against 26 major STEC serogroups. An STEC O26 strain (stx1, eae, ehxA) was isolated from one case with diarrhoea, and an STEC O148 strain (stx2c) from one case of HUS. Serum antibodies against O26 were not detected in either of these patients; antibodies against O148 were not tested. Three STEC strains were isolated from the mutton and the offal (stx2c, O148), and two from the pate (stx2c, O-X and O-Y). The isolates from the mutton were indistinguishable from the human stx2c isolate, whereas the pate isolates differed. Although four different STEC strains were identified in patients and foods, the results of molecular subtyping, in conjunction with analysis of food consumption patterns, strongly suggested that this outbreak was caused by mutton contaminated with STEC O148. PMID Pubmed : Pubmed : 16961636 Corpus : Production scientifique InVS Permalink : http://opac.invs.sante.fr/index.php?lvl=notice_display&id=4775 [article]