作者
Elizabeth D Hilborn, Jonathan H Mermin, Patricia A Mshar, James L Hadler, Andrew Voetsch, Christine Wojtkunski, Margaret Swartz, Roger Mshar, Mary-Anne Lambert-Fair, Jeffrey A Farrar, M Kathleen Glynn, Laurence Slutsker
发表日期
1999/8/9
期刊
Archives of Internal Medicine
卷号
159
期号
15
页码范围
1758-1764
出版商
American Medical Association
简介
Background
An outbreak ofEscherichia coliO157:H7 infections in Connecticut and Illinois during May 28 to June 27, 1996, was investigated to determine the source of infections.
Methods
Independent case-control studies were performed in both states. Pulsed-field gel electrophoresis (PFGE) was performed onE coliO157:H7 isolates. Acase-patientwas defined as a Connecticut or northern Illinois resident with diarrhea whose stool culture yieldedE coliO157:H7 of the outbreak-associated PFGE subtype. Controls were town-, age-, and sex-matched to case-patients. We traced implicated lettuce to the farm level and performed environmental investigations to identify unsafe lettuce production practices.
Results
In Connecticut and Illinois, infection was associated with consumption of mesclun lettuce (Connecticut matched odds ratio [MOR], undefined; 95% confidence interval [CI], 3.4 to ∞; and Illinois MOR, undefined; 95 …
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ED Hilborn, JH Mermin, PA Mshar, JL Hadler… - Archives of internal medicine, 1999