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- Updated

Researchers at the University of Louisville and Arizona State are working with the Metropolitan Sewer District for Phase II of the Co-Immunity Project to test wastewater for COVID-19 antibodies. Image courtesy MSD. June 18, 2020
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MSD and researchers from the University of Louisville are tracking antibodies found in samples.
The virus can be detected in people's waste before they ever get tested or seek treatment.
"We always underestimated the actual amount of COVID circulating in the community and we always will."