How Serious Is Influenza and How Does the Flu Spread?

If you are experiencing an emergency, call 911.

The severity of the flu, or influenza, varies from each season. The best way to prevent the flu and further complications from it is by getting the flu vaccine. Learn more about the flu shot here.

If you have a combination of flu-like symptoms, along with a sustained fever of more than 102 degrees, then you should seek medical attention immediately: Difficulty breathing Severe chest or stomach pain. Dizziness, vertigo or lightheadedness. If you have the flu, cover your cough, use good hand-washing techniques, and wear a mask to help prevent the spread of the flu.