| jingmen tick virus | no rank | | | no rank | 1491393 |
| karshi virus | no rank | viruses and viroids | viruses | no rank | 64287 |
| kyasanur forest disease virus | species | viruses and viroids | viruses | species | 33743 |
| powassan virus | species | viruses and viroids | viruses | species | 11083 |
| tick-borne encephalitis virus | species | viruses and viroids | viruses | species | 11084 |
| trinbago virus | species | | | species | 2704634 |
| west nile virus | species | viruses and viroids | viruses | species | 11082 |