When will this COVID surge end? Scientists search your sewage for clues – USA TODAY

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As the saying goes, never let a crisis go to waste.
And with COVID-19, a growing body of researchers and public health experts are taking that advice literally.
Scientists are increasingly using raw sewage as a tool to help determine how infections are trending in hundreds of communities across the country. By taking regular samples from wastewater treatment plants and scanning feces for the virus, they’re able to tell where infections are trending upward or downward, and in many cases, how the amount compares to prior waves of the virus.


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