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Flu --see also Influenza
    avian --see also Influenza, due to, identified novel influenza A virus J09.X2
    bird --see also Influenza, due to, identified novel influenza A virus J09.X2
    intestinal NEC A08.4
    swine (viruses that normally cause infections in pigs) --see also Influenza, due to, identified novel influenza A virus J09.X2