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What is flu?

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kaismama 26 Dec 2012

Influenza is an infectious viral illness characterized by chills, fever, sore throat, muscle pains, headache (often severe), coughing, weakness/fatigue and general discomfort. It is not caused by the same virus that causes the common cold and is far more serious. The most common complication is pneumonia, particularly in children, the ill and the elderly.

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