61 new COVID-19 cases confirmed in Thunder Bay district on Thursday
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COVID-19 outbreak declared at Thunder Bay, Ont , long-term care home
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The city began taking sewage samples at the Atlantic Avenue treatment plant last month.
The city sends the samples to Windsor for analysis as part of an environment ministry cross-Ontario pilot research project that uses sewage to monitor the spread of the COVID-19 virus in individual communities.
Studies have shown that a significant proportion of infected people shed the virus in their stool, even before any symptoms appear.
Michael McKay is the executive director of the University of Windsor s Great Lakes Centre for Environmental Research, where sewage from some southwestern Ontario cities as well as Thunder Bay is being analyzed.