Symptoms Of Influenza 2024. Symptoms of influenza include a runny nose, high fever, cough, and sore throat. It can cause mild to severe illness, and at times can lead to death.

While influenza can be mild, it can also cause serious illness in otherwise healthy people of all ages, leading to hospitalisation. Seasonal influenza is an acute respiratory infection caused by influenza viruses which circulate in all parts of the world.