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Article: Outbreak of Escherichia coli 0157:H7 Infection Associated With Eating Fresh Cheese Curds -- Wisconsin, June 1998.
- Article from:
- MMWR. Morbidity and Mortality Weekly Report
- Article date:
- October 13, 2000
CopyrightCOPYRIGHT 2000 U.S. Government Printing Office. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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On June 15, 1998, the Division of Public Health, Wisconsin Department of Health and Family Services, was notified of eight laboratory-confirmed and four suspected Escherichia coli 0157:H7 infections among west-central Wisconsin residents who became ill during June 8-12. This report summarizes the outbreak investigation, which implicated fresh (held [less than]60 days) cheese curds from a dairy plant as the source of infection.
A primary case was defined as the first laboratory-confirmed case in a household; a secondary case was one that occurred 3-8 days after a primary case in the same household. A matched case-control study was conducted to assess potential ...