| primate t-lymphotropic virus 1 | No | species | viruses and viroids | viruses | species | 194440 | click here |
| simian foamy virus | No | species | viruses and viroids | viruses | species | 11642 | click here |
| simian t-lymphotropic virus 1 | No | no rank | viruses and viroids | viruses | no rank | 33747 | click here |