Influenza (Flu)
![Everyone 6 months & older should receive a yearly flu vaccine.](/flu/images/homepage/prevent2.png?_=57409)
Prevent Flu
Everyone 6 months & older should receive a yearly flu vaccine.
![Flu can cause mild to severe illness. Learn the symptoms of flu.](/flu/images/homepage/symptoms2.png?_=57452)
Symptoms & Diagnosis
Flu can cause mild to severe illness. Learn the symptoms of flu.
![Doctor speaking to woman and child](/flu/images/homepage/treatment2.png?_=12358)
Treatment
Prescription medications called antiviral drugs can be used to treat flu.
What's New
- CDC A(H5N1) Bird Flu Response Update, July 19, 2024 Friday, July 19, 2024
- CDC Confirms Human Cases of H5 Bird Flu Among Colorado Poultry Workers Sunday, July 14, 2024
- Colorado Reports Three Presumptive Positive H5 Cases in Poultry Workers Friday, July 12, 2024
- CDC Issues Updated Guidance to Help Prevent Spread of Flu at Agricultural Fairs Thursday, July 11, 2024
- CDC Reports Fourth Human Case of H5 Bird Flu Tied to Dairy Cow Outbreak Wednesday, July 3, 2024