2025-26 Influenza Season Week 49 ending Dec 06, 2025 New York City Alaska Puerto Rico District of Columbia Hawaii Virgin Islands Guam N. Mariana Islands ILI Activity Level Very High High Moderate …

This page includes links to information about the current flu season and past flu seasons, including current and past flu surveillance reports. Learn more about flu disease burden and flu forecasting …

For the 2025-2026 flu season, CDC recommends seasonal flu vaccination for children, pregnant women, and adults with only single-dose formulations of flu vaccine that are free of thimerosal as a preservative.

Sep 26, 2025 · In the United States, flu season usually occurs in the fall and winter. While influenza viruses spread year-round, most of the time flu activity peaks between December and February.

3 days ago · CDC expects the upcoming fall and winter respiratory disease season in the United States will likely have a similar number of combined peak hospitalizations due to COVID-19, influenza, and …

May 9, 2025 · The in-season estimates of flu burden are preliminary and change week-by-week as new flu hospitalizations are reported to CDC. New reports include both new admissions that have …

Information for the Flu Season Learn about the current flu season and find resources related to flu surveillance and past seasons.

Mar 14, 2025 · • Seasonal influenza (flu) activity remains elevated nationally but has decreased for four consecutive weeks. The season has peaked; however, flu-related medical visits, hospitalizations, …

3 days ago · Nationally, seasonal influenza activity is increasing with largest increases seen among children and young adults and in the northeastern and mountain west areas of the country.

Oct 25, 2024 · As of now, overall respiratory virus activity remains low nationwide, with COVID-19 cases going down and low flu and RSV activity. Vaccination is expected to play a critical role in reducing …