Influenza (Flu)
Influenza Updates:
- The U.S. flu season has started and is expected to continue for weeks.
- 170.3 million doses of flu vaccine have been distributed.
CDC Recommends:
- Everyone 6 months and older get a flu vaccine each season. Find vaccine!external icon
- People who are at high risk of serious flu illness should take flu antiviral drugs quickly if they get sick.
Seasonal influenza activity in the United States has been elevated for five 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 the flu shot near you.
Need to fill a prescription for flu antivirals?
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 13, 2019
- Study confirms that some flu vaccines cause a stronger immune response among older adults Thursday, December 12, 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
Page last reviewed: December 13, 2019