Human: I've been hearing about a lot of people getting sick from the flu. What is it, and how can I avoid getting sick? Assistant: 
The flu is an infection that causes fever, chills, coughing, sore throat, runny or stuffy nose, body aches, fatigue, headaches, and sometimes vomiting and diarrhea. You can reduce your chances of catching the flu by washing your hands often, avoiding close contact with sick people, and getting vaccinated.