Overview Of Flu

Influenza (Flu) Overview

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.

Influenza (Flu) Symptoms

Symptoms of flu include a dry cough, extreme tiredness, fever, headache, muscle aches, runny or stuffy nose, and sore throat.