How does the common cold appear? why does it appear so much in the winter

common cold is caused by viral infection of the body. These agent(foreign bodies) cling themselves to the human cells and alter the activities of the host cells. The symptoms are the reactions of the body to the invasion. Common cold viruses are most active during the winter season, hence its occurance is high during winter time.

TAGS: symptoms, virus, nose, the common cold, infection, flu, body, fever, doctor, runny nose, treatment, species, colds, common cold, food, viruses, disease, cough, throat, cause colds

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