What Are The Symptoms Of Influenza A 2024. It can cause symptoms like a fever, chills, muscle or body aches, headache, runny or stuffy nose, cough, sore throat,. Flu symptoms come on very quickly and can include:
The symptoms are more serious than a common cold. While influenza can be mild, it can also cause serious illness in otherwise healthy people of all ages, leading to hospitalisation and sometimes even death.