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  1. An outbreak of Escherichia coli O157 : H7 infection from unpasteurized commercial apple juice.

    Article - En anglais

    Background 

    Escherichia coli O157 : H7 infections have traditionally been associated with animal products, but outbreaks associated with produce have been reported with increasing frequency.

    In fall 1996, a small cluster of E. coli O157 : H7 infections was epidemiologically linked to a particular brand (brand A) of unpasteurized apple juice.

    Objective 

    To define the extent of the outbreak, confirm the source, and determine how the apple juice became contaminated.

    Design 

    Descriptive epidemiologic study and traceback investigation.

    Setting 

    Western United States and British Columbia, Canada.

    Patients 

    Patients with E. coli O157 : H7 infection who were exposed to brand A apple juice.

    Measurements 

    Clinical outcome and juice exposure histories of case-patients, pulsed-field gel electrophoresis of case and juice isolates, and juice production practices.

    Results 

    Seventy persons with E. coli 0157 : H7 infection and exposure to brand A unpasteurized apple juice were identified.

    Of these persons, 25 (36%) were hospitalized, 14 (20%) developed the hemolytic uremic syndrome, and 1 (1%) died.

    Recalled apple juice that was produced on 7 October 1996 grew E. coli O157 : H7 with a pulsed-field gel electrophoresis pattern indistinguishable from that of case isolates.

    Apple juice produced on 7 October 1996 accounted for almost all of the cases, and the source of contamination was suspected to be incoming apples. (...)

    Mots-clés Pascal : Intoxication alimentaire, Escherichia coli, Enterobacteriaceae, Bactérie, Jus fruit, Enquête, Epidémiologie, Homme, Appareil digestif pathologie

    Mots-clés Pascal anglais : Food poisoning, Escherichia coli, Enterobacteriaceae, Bacteria, Fruit juice, Survey, Epidemiology, Human, Digestive diseases

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 99-0120173

    Code Inist : 002B05B02F. Création : 16/11/1999.