| http://www.w3.org/ns/prov#value | - The flu is a viral infection affecting the respiratory system, including the nose, throat, lungs and bronchial tubes.The two illnesses are not related, but are both more common during winter seasons when cold viruses become more widespread.Flu seasons can vary widely.Some years are very severe, with hospitalizations of up to 200,000 people and between 3,000 and 49,000 deaths during a season, accor
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