What is influenza?

Influenza, or the flu, is a respiratory disease caused by a virus that attacks the nose, throat, and lungs. It can be mild, but is sometimes more severe and, at times, can lead to death.

Influenza is not the same as the "stomach flu."

Show All Answers

1. What is influenza?
2. What are the symptoms of influenza?
3. Should I get the flu vaccination?
4. Who is most at risk for getting very sick?