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  1. Use of sequential case-control studies to investigate a community salmonella outbreak in Wales.

    Article - En anglais

    Study objective-To establish the source of a community outbreak of Salmonella typhimurium definitive type 124.

    Design-Two stage case-control study

    Setting-Three districts in south east Wales.

    Subjects-Cases of salmonella food poisoning and community controls.

    Main results-An initial case-control study identified an association between illness and eating ham (odds ratio 4.50,95% confidence intervals 1.10,21.8) and also found a possible association between illness and food bought from delicatessen stores (odds ratio 5.03,95% confidence intervals 1.01,32.3).

    However, only after a second stage case-control study was a single common ham producer identified as the source (odds ratio 25.0,95% confidence intervals 2.33,1155).

    Conclusion-Sequential case-control studies are an important and underused tool in the investigation of community outbreaks.

    Mots-clés Pascal : Salmonellose, Bactériose, Infection, Salmonella typhimurium, Enterobacteriaceae, Bactérie, Epidémie, Variation géographique, Epidémiologie, Méthodologie, Etiologie, Homme, Pays de Galles, Grande Bretagne, Royaume Uni, Europe, Etude cas témoin, Etude comparative

    Mots-clés Pascal anglais : Salmonellosis, Bacteriosis, Infection, Salmonella typhimurium, Enterobacteriaceae, Bacteria, Epidemic, Geographical variation, Epidemiology, Methodology, Etiology, Human, Wales, Great Britain, United Kingdom, Europe, Case control study, Comparative study

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

    Cote : 98-0224183

    Code Inist : 002B30A01A1. Création : 11/09/1998.