You will not be able to tell the difference between seasonal flu and influenza A(H1N1) without medical help. Typical symptoms to watch for are similar to seasonal viruses and include:
Fever,which is usually high,but unlike seasonal flu,is sometimes absent
Cough
Runny nose or stuffy nose
Sore throat
Body aches
Headache
Chills
Fatigue or tiredness
Diarrhoea and vomiting,sometimes,but more commonly seen than with seasonal flu.
Signs of a more serious infection might include pneumonia and respiratory failure.




