Influenza (Flu)
Influenza Updates:
- U.S. flu activity is elevated and increasing.
- Now is the time to get a flu vaccine!
CDC on Flu Vaccine:
- 169.1 million doses of flu vaccine have been distributed.
- CDC recommends everyone 6 months and older get a flu vaccine each season. Find vaccineexternal icon!
- Flu vaccination has important benefits.
Seasonal influenza activity in the United States has been elevated for four weeks and continues to increase.
About Flu
Learn about flu season and get answers to questions.
Flu Season
Find information about current and past flu seasons.
People at High Risk
Understand who is at high risk from flu.
Communication Resource Center
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 Vaccine Finder
Find a flu vaccine near you.
Other Types of Influenza
Pandemic
Avian
Swine/Variant
Flu in Animals
Canine Flu
Animal to HumanStay Connected with Flu
What's New
- Weekly U.S. Influenza Surveillance Report Friday, December 6, 2019
- Update: Interim Guidance for Health Care Providers for Managing Patients with Suspected E-cigarette, or Vaping, Product Use–Associated Lung Injury — United States, November 2019 Thursday, November 21, 2019
- Influenza Division Director Recognized Among Best in Federal Service Thursday, October 24, 2019
- Flu Forecasting Accuracy Results for the 2018-2019 Season Wednesday, October 16, 2019
- Update: Influenza Activity — United States and Worldwide, May 19–September 28, 2019, and Composition of the 2020 Southern Hemisphere Influenza Vaccine Friday, October 11, 2019
Page last reviewed: December 6, 2019