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Swine influenza symptoms on swinees.svg es Sntomas de la gripe porcina en cerdos Swinevirus svg UTC Swinevirus svg AntigenicShiftHiRes National Institute of Allergy and Infectious Diseases NIAID Original uploader was Zedla at org en Converted to by Fvasconcellos derivative work Yug talk talk translation Linfocito Other