Influenza (Flu)
Influenza Updates:
- Influenza activity is increasing nationally and flu season has started in parts of the country. There’s still time to get a flu vaccine.
- A COVID-19 pandemic is ongoing.
About Flu
Learn about flu season and get answers to questions.
Flu Season
Find information about current and past flu seasons.
People at Higher Risk
Understand who is at higher risk of flu.
FluVaxView
Reports on Flu Vaccination Coverage and Utilization
Communication Resources
Find resources to promote flu prevention.
Health Professionals
Learn what CDC recommends this season.
Flu News & Spotlights
Read about CDC's work with flu.
Flu vs. COVID Symptoms
Learn the differences between Flu and COVID-19.
Flu Vaccine Finder

Find flu vaccines in your area.
Everyone 6 months of age and older needs a flu vaccine.
Other Types of Influenza
Stay Connected with Flu
What's New
- CDC Urges Flu Vaccination as Flu Activity Picks Up Wednesday, December 29, 2021
- Increasing Seasonal Influenza A (H3N2) Activity, Especially Among Young Adults and in College and University Settings, During SARS-CoV-2 Co-Circulation Monday, November 29, 2021
- CDC Tracking Flu in Young Adults Friday, November 19, 2021
- Increasing Flu Activity in Some States, Especially Among Young Adults Monday, November 15, 2021
- CDC Collaboration Improves Flu Vaccination Efforts in Latin America and the Caribbean Wednesday, November 10, 2021
Page last reviewed: December 20, 2021





Pandemic
Avian
Swine/Variant
Flu in Animals
Canine Flu
Animal to Human