According to World Health Organisation (WHO), Influenza is 'characterized by a sudden onset of fever, cough (usually dry), headache, muscle and joint pain, severe malaise (feeling unwell), sore throat and a runny nose. The cough can be severe and can last 2 or more weeks.
The flu vaccination is offered to eligible patients during the flu season, September to January. You will be invited by us or NHS England when the vaccination available and can get it at your GP surgery or a local chemist.