Influenza A virus subtype H9N2
| Influenza A virus subtype H9N2 | |
|---|---|
| Influenza A - late passage | |
| Virus classification | |
| (unranked): | Virus |
| Realm: | Riboviria |
| Kingdom: | Orthornavirae |
| Phylum: | Negarnaviricota |
| Class: | Insthoviricetes |
| Order: | Articulavirales |
| Family: | Orthomyxoviridae |
| Genus: | Alphainfluenzavirus |
| Species: | |
| Serotype: | Influenza A virus subtype H9N2 |
Influenza A virus subtype H9N2 (A/H9N2) is a subtype of the species Influenza A virus (bird flu virus). Since 1998 a total of 86 cases of human infection with H9N2 viruses have been reported.