Question

Why do we suffer repeated of influenza ?

Answer 1

The respiratory system is your throat, sinuses, windpipe (trachea) and lungs. Symptoms such as runny nose, sneezing, sore throat, head congestion and cough can also be caused by allergies. ... Your symptoms are really caused by allergies. (You call the symptoms "colds" but they are not caused by viral infections.)

Answer 2

This canbe because ur immune system is very weak.Or u are exposed to such a environment from where u r more prone to catch the microorganism?this is because u suffer from repeated influenza.

Hope it helps
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