| Titre : | Escherichia coli O157 : H7 outbreak associated with consumption of ground beef, June-July 2002. (2005) |
| Auteurs : | Richard-L VOGT ; Laura DIPPOLD ; Tri-County Health Department. Greenwood Village. CO. USA |
| Type de document : | Article |
| Dans : | Public health reports (vol. 120, n° 2, 2005) |
| Pagination : | 174-178 |
| Langues: | Anglais |
| Mots-clés : | Bactériose ; Infection ; Escherichia coli ; Bactérie ; Epidémie ; Gastroentérite ; Consommation ; Homme ; Etats Unis ; Amérique ; Aliment ; Insuffisance rénale ; Appareil digestif [pathologie] ; Estomac [pathologie] ; Intestin [pathologie] ; Infection urinaire ; Appareil urinaire [pathologie] ; Hémopathie ; Rein [pathologie] ; Amérique du Nord |
| Résumé : | [BDSP. Notice produite par INIST-CNRS 6OR0x9T6. Diffusion soumise à autorisation]. Objective. A case-control and environmental study tested the hypothesis that purchasing and eating ground beef from a specific source was the cause of a cluster of cases of hemolytic uremic syndrome (HUS) and Escherichia coli (E. coli) O157 : H7 gastroenteritis. Methods. A case-control study comparing risk factors was conducted over the telephone on nine case-patients with 23 selected controls. An environmental investigation was conducted that consisted of reviewing beef handling practices at a specific local supermarket and obtaining ground beef samples from the store and two households with case-patients. Results. The analysis of the case-control study showed that eight case-patients (89%) purchased ground beef at Grocery Chain A compared with four controls who did not develop illness (17%) (matched odds ratio=undefined ; 95% confidence interval 2.8, p=0.006). The environmental investigation showed that Grocery Chain A received meat from Meatpacker A. Laboratory analysis of meat samples from Meatpacker A and Grocery Chain A and stool samples from some patients recovered an identical strain of E. coli O157 : H7 according to pulse-field gel electrophoresis. Conclusions. Both the case-control and environmental studies showed that purchasing ground beef at Grocery Chain A, which received ground beef from Meatpacker A, was the major risk factor for illness in eight case-patients ; the ninth case-patient was found to be unrelated to the outbreak. Furthermore, meat from Meatpacker A was associated with a nationwide outbreak of E. coli O157 : H7 illness that resulted in the second largest recall of beef in U.S. history at the time. |
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