People who have the flu often feel some or all of these symptoms:
Ÿ fever (in most, but not all, cases) or feeling feverish/chills
Ÿ sore throat
Ÿ runny or stuffy nose
Ÿ muscle or body aches
Ÿ fatigue (very tired)
Ÿ Some people may have vomiting and diarrhea, though this is more common in children than adults.
Source: U.S. Centers for Disease Control