Jan 24, 2025 - News
It's virus season in Colorado
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The spread of influenza A, COVID and RSV is "high" in Colorado and across much of the U.S. at the same time norovirus cases are well above normal levels, Centers for Disease Control and Prevention and wastewater surveillance data shows.
Why it matters: The result is "quad-demic" in what's shaping up to be a more active virus season than last year.
The big picture: Flu activity is high or very high across 33 states and Washington, D.C., according to the CDC tracking of outpatient visits to health care providers for influenza-like illness.