| chikungunya virus | species | viruses and viroids | viruses | species | 37124 |
| eastern equine encephalitis virus | species | viruses and viroids | viruses | species | 11021 |
| venezuelan equine encephalitis virus | species | viruses and viroids | viruses | species | 11036 |
| western equine encephalitis virus | species | viruses and viroids | viruses | species | 11039 |