Flu Season in the U.S. Is the Most Intense It’s Been in at Least 15 Years

MedPage Today February 9, 2025
Associated Press

— Forty-three states reported high or very high flu activity last week

The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

One indicator of flu activity is the percentage of doctor’s office visits driven by flu-like symptoms. Last week, that number was clearly higher than the peak of any winter flu season since 2009-2010, according to dataopens in a new tab or window posted Friday by the CDC.

Of course, other viral infections can be mistaken for flu. But COVID-19 appears to be on the decline, according to hospital data and to CDC modeling projections. Available dataopens in a new tab or window also suggest respiratory syncytial virus (RSV)...

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