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Swine Flu -_- The 2009 swine flu outbreak was an pandemic of a new strain of Influenza A virus subtype H1N1 identified in April 2009. It was thought to be a mutation (reassortment) of four known strains of influenza A virus subtype H1N1: one endemic in humans, one endemic in birds, and two endemic in pigs (swine).[58] A June 5th update by the U.N.'s World Health Organization (WHO) states that “69 countries have officially reported 21,940 cases of influenza A(H1N1) infection, including 125 deaths.” [59] -- Source- --

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Q: What was the last pandemic in history?
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