| Influenza A virus subtype H3N1 | |
|---|---|
Virus classification 
| |
| (unranked): | Virus |
| Realm: | Riboviria |
| Kingdom: | Orthornavirae |
| Phylum: | Negarnaviricota |
| Class: | Insthoviricetes |
| Order: | Articulavirales |
| Family: | Orthomyxoviridae |
| Genus: | Alphainfluenzavirus |
| Species: | |
| Serotype: | Influenza A virus subtype H3N1
|
| Influenza (flu) |
|---|
 |
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.[1][2]