Everyone 6 months & older should receive a yearly flu vaccine.
Flu can cause mild to severe illness. Learn the symptoms of flu.
Prescription medications called antiviral drugs can be used to treat flu.
Laboratory confirmed flu activity as reported by clinical laboratories remains low.
Learn about flu season and get answers to questions.
Find information about current and past flu seasons.
Understand who is at high risk from flu.
Find resources to promote flu prevention.
Learn what CDC recommends this season.
Read about CDC's work with flu.
- Weekly U.S. Influenza Surveillance Report Friday, May 29, 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