What are the main signs and symptoms of the flu?

Signs and symptoms of the flu typically include:

• fever and/or chills
• Muscle/body aches
• fatigue
• Cough
• sore-throat
• Runny or stuffy nose
• headaches

The flu shares many symptoms with the common cold. Compared to the common cold, symptoms tend to come on more rapidly and be more severe.^[1]