New data released by the Centers for Disease Control and Prevention on Monday shows a massive spike in flu activity nationwide.

Thirty states have landed in the CDC ’s worst tier for flu activity and health officials warn the severe season is likely to get worse.

A fast-rising wave of influenza intensified during the week ending Saturday, Dec. 27, with the CDC’s latest FluView map showing 45 states at high or very high levels of influenza-like illness. The surge comes on the heels of holiday travel and gatherings and continues to spread across much of the

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After reporting was delayed due to the holidays, new CDC data shows the flu is spreading, with 33,000 people hospitalized during the last week of the year.

About 5,000 people have died of the flu so far this season, including 9 children, as the Trump administration pulls back on advice to get kids vaccinated.

Tennessee was one of 19 states experiencing “very high” flu activity at Level 13, the CDC’s highest level, on Dec. 27, 2025.

Seasonal influenza activity remained elevated and rose in the final week of December, U.S. Centers for Disease Control and Prevention data showed on Monday, as the agency for the first time classified the 2025-26 season as "moderately severe.

While anti-vax advocates welcome the changes, local pediatricians are frustrated with new guidelines that say less vaccines will be enough for some kids.