04/01/09
Common cold is a virus infection that affects the upper part of the respiratory tract. It is common than other diseases and occurs more frequently. The normal duration of common cold is four to nine days. For the first four days the patient feels miserable. The primary symptom of cold is congestion of the nasal passage or a feeling of soreness of the throat. All parts of the body are affected by this disease even though it begins in the nose and throat. Its common symptoms ar...
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