Flu Symptoms 2024 Australia. Influenza (the flu) is a highly contagious disease, usually prevented by vaccination and treated by managing symptoms. However, if you have the flu, it quickly and moves into headaches, fever or chills, aching muscles and joints, cough, shortness of breath,.
Influenza (the flu) is a highly contagious disease, usually prevented by vaccination and treated by managing symptoms. The most common symptoms of the flu are: