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  • 标题:Risk factors for sporadic human infection with shiga toxin-producing Escherichia coli in South Australia
  • 本地全文:下载
  • 作者:Rebecca Hundy ; Scott Cameron
  • 期刊名称:Communicable Diseases Intelligence
  • 印刷版ISSN:1447-4514
  • 电子版ISSN:1445-4866
  • 出版年度:2004
  • 卷号:28
  • 期号:1
  • 页码:74-79
  • 出版社:Government Department of Health and Ageing
  • 摘要:This paper reports the fi ndings from a preliminary study seeking to identify risk factors for sporadic human infection with shiga toxin-producing Escherichia coli (STEC) in South Australia. This phase of the study, conducted between February and September 2002, aimed to make recommendations regarding study methodology, and provided an opportunity to identify any potential risk factors for STEC infections in South Australia. The study design was a prospective age-matched case control study. A case was defi ned as a person with macroscopic or microscopic evidence of blood in a faecal specimen, and in which a gene associated with the production of shiga toxin (stx 1 or 2) was identifi ed. Two community controls per case were randomly selected from the Social Environmental Risk Context Information System database. Eleven cases and 22 controls were enrolled in the pilot phase of the case control study. Cases were more likely than controls to have eaten berries, including strawberries, blueberries, and blackberries, in the 10 days preceding illness (Mantel Haenszel matched OR 11; 95 per cent CI 1.26-96.12). No other exposures were signifi cantly associated with illness. Due to the small number of study participants, the power of the study was insuffi cient to expect any signifi cant results. National participation will be vital to obtain suffi cient cases in a realistic time, however this would necessitate more consistent ascertainment and reporting of STEC disease between the states and territories.
  • 关键词:Escherichia coli; foodborne disease; surveillance; case control study
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