| h1n1 subtype | no rank | viruses and viroids | viruses | no rank | 114727 |
| influenza a virus | species | viruses and viroids | viruses | species | 11320 |
| influenza a virus (a/cheetah/ca/30954/2009(h1n1)) | no rank | viruses and viroids | viruses | no rank | 746843 |
| influenza a virus (a/cheetah/california/d0912239/2009(h1n1)) | no rank | viruses and viroids | viruses | no rank | 1049559 |