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Sewage sampling can detect as few as one or two cases in 100,000 people, making the method especially useful when it's difficult for people to find tests.
California may reach peak case numbers and see COVID-19 case rates begin to fall this week, according to a new forecast. Latest updates.
The latest COVID-19 surge may be on its way out, according to what experts are finding in what you’re flushing.
As COVID-19 and the omicron variant spread across the country, scientists are increasingly testing raw sewage to track trends.
Sewage epidemiology has been embraced in other countries for decades, but not in the U.S. Will Covid change that?