Flu season starts in early fall and can last through the spring. While most healthy adults can fight off the flu on their own, contracting the flu can lead to unpleasant symptoms like a high fever, body aches, chills and cold-like symptoms such as a sore throat, coughing, congestion and fatigue. Getting your annual flu shot is an easy way to safeguard your health and prevent a severe case of the flu, however, does the ...