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Flu is the nickname for the illness caused by the oftentimes too deadly influenza virus. The flu is often considered to be just another “cold” and is dismissed as inevitable (since one has recovered completely so many times from colds, just another nuisance). However, 50,000-80,000 Americans die yearly because of those microscopic guys, not to mention the severe illnesses they cause. And about 80% of these deaths are in the elderly. The death toll is not accurate, because “flu” may not appear on the death certificate.

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