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National COVID-19 wastewater levels signal viral uptick ahead of fall
National COVID-19 wastewater levels signal viral uptick ahead of fall
Although reported COVID-19 case levels in the U.S. are still falling after a viral resurgence over the summer, there are preliminary indicators that infection rates may be back on the rise across the country. In recent weeks, federal data has shown that the number of U.S. wastewater sites...
news.yahoo.com
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