Current Flu Symptoms December 2025. National flu activity map a weekly influenza surveillance report prepared by the influenza division weekly influenza activity estimates reported by state and territorial epidemiologists.* reported. Doctors share what the most common flu symptoms are in 2024, what to do if you get the flu and how you lower your risk of getting it.

Flu symptoms usually come on suddenly. They include fever, feeling feverish, the chills, and having a cough, sore.