Influenza is a viral disease that usually strikes between October and May. It lasts from three to five days and can be followed by fatigue for two or three weeks. It usually causes aching muscles and joints, headaches , cough and fever with a temperature of between 38o and 40oC.

Although it can become a much more severe illness, leading to pneumonia, nerve and brain damage and even death, such complications are rare.

Because it is a viral infection it cannot be treated with antibiotics. The best remedy is rest while drinking plenty of fluids.

It is possible to get vaccinated against influenza, which is especially advisable for the elderly and people with heart and lung diseases.