Signs and Symptoms Learn about identifying flu symptoms, how the diagnosis works, common complications, and more.

Aug 26, 2024 · Learn about identifying flu symptoms, how the diagnosis works, common complications, and more.

Aug 13, 2024 · Anyone can get flu (including healthy people), and serious problems related to flu can happen at any age, but some people are at higher risk of developing serious flu-related …

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 …

Sep 2, 2025 · Most people with flu have mild illness and do not need medical care or antiviral drugs. If you get sick with flu symptoms, in most cases, you should stay home and avoid contact with other …

4 days ago · View data for COVID-19, flu, and RSV activity in your community and across the United States.

Jan 7, 2026 · The severity of a flu season can be impacted by many things, including what influenza viruses are circulating and in what proportion, how many people got vaccinated against flu and how …

Influenza (flu) is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and lungs.

Sep 26, 2025 · The best way to reduce your risk from seasonal flu and its potentially serious complications is to get a flu vaccine every year. This page has resources to help answer your …

Sep 26, 2025 · Learn about the flu season, including how CDC tracks flu activity and when it commonly peaks.