Typical symptoms of influenza/flu include sudden onset of fever and chills, cough, muscle pain, headache, fatigue and weakness. Some people also get a stuffy nose and sore throat.

Tamiflu is a medicine to treat flu (infection caused by influenza virus) in adults and children aged 1 year and older, where the symptoms started within the last day or two. Tamiflu can also reduce the chance of getting the flu in certain circumstances.