Influenza (Flu)
Influenza Updates:
- Laboratory-confirmed flu activity is low at this time.
- A COVID-19 pandemic is ongoing.
CDC Recommends:
- See CDC guidance on how to protect yourself & others from COVID-19.
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.
Other Types of Influenza
Stay Connected with Flu
What's New
- Weekly U.S. Influenza Surveillance Report Friday, June 12, 2020
- New Study Expands Understanding of Influenza-associated Complications Friday, March 20, 2020
- Interim Flu Vaccine Effectiveness Estimates for the 2019-20 Flu Season Show Flu Vaccines Providing Substantial Protection, Especially in Children Thursday, February 20, 2020
- CDC’s portable flu testing kit allows for faster, on-site detection of viruses that could cause the next pandemic Thursday, February 6, 2020
- Study confirms that some flu vaccines cause a stronger immune response among older adults Thursday, December 12, 2019
Page last reviewed: June 19, 2020