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H3N1 is a subtype of the species Influenza A virus, mostly affecting pigs.
The known subtypes of Influenza A virus that create influenza in pigs and are endemic in pigs are H1N1, H1N2, H3N1 and H3N2.
cutn/syst (hppv/hiva, infl/zost/zoon)/epon
drug (dnaa, rnaa, rtva, vacc)