What are the Symptoms?

Unlike a cold, flu symptoms start suddenly. They appear about 1-4 days after a person is exposed to the flu. Symptoms may include:

  • Fever or feeling feverish/chills.
  • Cough
  • Sore throat
  • Runny or stuffy nose
  • Muscle or body aches
  • Headache
  • Tiredness
  • Some people may have vomiting or diarrhea; this is more common in children.

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