Our expert says:
This is a very difficult question to answer, as these factors very from region to region. One must also distinguish between upper resiratory tract infections and sinusitis. Overseas travel also plays a role, but it is quite impossible to give you an answer as this needs to be statistically analised.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.