<human>:  What is the difference between a cold and the flu?
<bot>: The main difference between a cold and the flu is that the flu is much more severe and can have more serious complications. Symptoms of the flu include sudden onset of high fever, extreme tiredness and exhaustion, body aches and pains, and a dry cough. Cold symptoms are usually less severe and may include a runny or stuffy nose, sneezing, and a sore throat.