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Canary in the Coal Mine

Wastewater testing provides early warning of community COVID levels, researcher says

By Paul Alongi
Clemson University

news@thepccourier.com

CLEMSON — David Freedman of Clemson University is testing coronavirus levels in wastewater on the University’s main campus and in the surrounding community to provide an early warning system that shows how fast the virus is spreading.

Freedman likens the tests to the “canary in the coal mine” that can help administrators make informed decisions about what they need to do to protect the public’s health even before COVID-19 case counts start to rise. In addition to campus, his testing covers the city of Clemson and the Town of Pendleton, both home to many of the University’s students, faculty and staff.

Clemson City Council unanimously passed an ordinance on June 24 that mandated face coverings in

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