People who have the flu often feel some or all of these symptoms:

• fever (in most, but not all, cases) or feeling feverish/chills• cough• sore throat• runny or stuffy nose• muscle or body aches• headaches• fatigue (very tired)• Some people may have vomiting and diarrhea, though this is more common in children than adults.Source: U.S. Centers for Disease Control