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  1. The return of Cyclospora in 1997 : Another outbreak of cyclosporiasis in North America associated with imported raspberries.

    Article - En anglais

    Background 

    In the spring of 1996, an outbreak of cyclosporiasis associated with fresh Guatemalan raspberries occurred in the United States and Canada.

    Another multistate outbreak of cyclosporiasis occurred in North America in the spring of 1997.

    Objective 

    To identify the vehicle of the outbreak that occurred in the spring of 1997.

    Design 

    Retrospective cohort studies of clusters of cases associated with events (such as banquets) and traceback investigations of sources of implicated produce.

    Setting 

    United States and Canada.

    Patients 

    Persons who attended events associated with clusters of cases of cyclosporiasis.

    Measurements 

    Identification of clinically defined or laboratory-confirmed cases of cyclosporiasis and risk factors for infection.

    Results 

    41 clusters of cases were reported in association with events held from 1 April through 26 May in 13 U.S. states, the District of Columbia, and 1 Canadian province.

    The clusters comprised 762 cases of cyclosporiasis, 192 (25.2%) of which were laboratory confirmed.

    In addition, 250 laboratory-confirmed sporadic cases were reported in persons who developed gastrointestinal symptoms from April through 15 June, for a total of 1012 cases.

    Fresh raspberries were the only food common to all 41 events and were the only type of berry served at 9 events (22.0%). Statistically significant associations between consumption of raspberry-containing items and cyclosporiasis were documented for 15 events (40.5% of 37). (...)

    Mots-clés Pascal : Importation, Framboise, Amérique du Nord, Amérique, Intoxication alimentaire, Rétrospective, Epidémiologie, Homme, Etude cohorte, Appareil digestif pathologie, Cyclospora

    Mots-clés Pascal anglais : Import, Raspberry, North America, America, Food poisoning, Retrospective, Epidemiology, Human, Cohort study, Digestive diseases

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

    Cote : 99-0120177

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