Walkerton E. coli outbreak

Walkerton E. coli outbreak was a significant event in the history of public health in Canada. It occurred in the community of Walkerton, Ontario, in May 2000, when E. coli bacteria contaminated the town's water supply system. The outbreak resulted in seven deaths and sickened more than two thousand people.

Background

The Walkerton Public Utilities Commission was responsible for the town's water supply. The commission's practices were found to be deficient in several areas, including chlorination, testing, record-keeping, and system maintenance. The contamination was traced to a well that had been contaminated with runoff from a nearby cattle farm.

Outbreak

The outbreak began on May 17, 2000, when residents of Walkerton began to fall ill. The symptoms included severe bloody diarrhea, abdominal cramps, and vomiting. The cause was identified as E. coli O157:H7, a particularly virulent strain of the bacteria.

Aftermath

The outbreak had significant impacts on the community of Walkerton and led to changes in water management practices across Canada. The Walkerton Inquiry, a public investigation into the outbreak, led to a number of recommendations for improving water safety.

See also

• List of waterborne outbreaks
• Waterborne diseases
• Water supply and sanitation in Canada

References

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