A Waterborne Outbreak in Missouri of Escherichia coli O157:H7 Associated with Bloody Diarrhea and Death

To describe and determine the source of a large outbreak of Escherichia coli O157:H7 (ECO157) infections in Missouri.A case-control study and a household survey.A small city in a rural Missouri township that had an unchlorinated water supply.Case patients were residents of or visitors to Burdine Township with bloody diarrhea or diarrhea and abdominal cramps occurring between 15 December 1989 and 20 January 1990.Escherichia coli O157 was isolated...