COVID trend reaches "high" levels across western U.S states--CDC

COVID trend reaches "high" levels across western U.S. The CDC says it is too early to say if this year's summer COVID-19 surge has arrived. Alexander Tin CBS News

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Nationwide, levels of the virus in wastewater are still "low,"the CDC says. But across the West, preliminary figures from the most recent weeks show this key COVID-19 trend has now passed above the threshold that the agency considers to be "high" levels of the virus.

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