The flu is a contagious respiratory illness caused by influenza viruses. It can cause mild to severe illness, and at times can lead to death. The best way to prevent this illness is by getting a flu vaccination each fall.
5% to 20% of the population gets the flu
More than 200,000 people are hospitalized from flu complications
About 36,000 people die from flu
Some people, such as older people, young children, and people with certain health conditions, are at high risk for serious flu complications.