Influenza (Flu)
Influenza Updates:
- Laboratory-confirmed flu activity is low at this time.
- 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.
Other Types of Influenza
Stay Connected with Flu
What's New
- Summary: 'Prevention and Control of Seasonal Influenza with Vaccines: Recommendations of the Advisory Committee on Immunization Practices (ACIP)—United States, 2021-22' Thursday, August 26, 2021
- Frequently Asked Influenza (Flu) Questions: 2021-2022 Season Thursday, August 26, 2021
- New Study Identifies Racial and Ethnic Disparities in Severe Flu Outcomes Tuesday, August 24, 2021
- CDC Reports Sixth and Seventh U.S. Human Infections with a Variant Flu Virus for 2020-2021 Influenza Season Friday, August 20, 2021
- CDC Study Finds Potential Enhanced Benefit of Recombinant Flu Vaccines Monday, August 16, 2021
Page last reviewed: August 31, 2021





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