| rift valley fever virus | 41 | species | viruses | viruses | 11588 |
| toscana virus | 23 | no rank | viruses | viruses | 11590 |
| dugbe virus | 10 | species | viruses | viruses | 11595 |
| hantaan virus | 61 | species | viruses | viruses | 11599 |
| seoul virus | 27 | species | viruses | viruses | 11608 |
| junin mammarenavirus | 31 | species | viruses | viruses | 11619 |
| lassa mammarenavirus | 41 | species | viruses | viruses | 11620 |
| lymphocytic choriomeningitis mammarenavirus | 148 | species | viruses | viruses | 11623 |
| machupo mammarenavirus | 18 | species | viruses | viruses | 11628 |
| reticuloendotheliosis virus | 68 | species | viruses | viruses | 11636 |
| bovine immunodeficiency virus | 33 | species | viruses | viruses | 11657 |
| caprine arthritis encephalitis virus | 40 | species | viruses | viruses | 11660 |
| equine infectious anemia virus | 62 | species | viruses | viruses | 11665 |
| feline immunodeficiency virus | 80 | species | viruses | viruses | 11673 |
| human immunodeficiency virus 1 | 410 | species | viruses | viruses | 11676 |
| human immunodeficiency virus 2 | 399 | species | viruses | viruses | 11709 |
| visna/maedi virus | 61 | species | viruses | viruses | 11741 |
| jaagsiekte sheep retrovirus | 40 | species | viruses | viruses | 11746 |
| mouse mammary tumor virus | 125 | species | viruses | viruses | 11757 |
| feline leukemia virus | 69 | species | viruses | viruses | 11768 |
| murine leukemia virus | 184 | species | viruses | viruses | 11786 |
| avian myeloblastosis virus | 76 | species | viruses | viruses | 11866 |
| avian carcinoma mill hill virus 2 | 11 | species | viruses | viruses | 11870 |
| avian sarcoma virus ct10 | 9 | species | viruses | viruses | 11878 |
| fujinami sarcoma virus | 33 | species | viruses | viruses | 11885 |
| rous sarcoma virus | 199 | species | viruses | viruses | 11886 |
| bovine leukemia virus | 65 | species | viruses | viruses | 11901 |
| human t-lymphotropic virus 1 | 137 | no rank | viruses | viruses | 11908 |
| human t-lymphotropic virus 2 | 60 | no rank | viruses | viruses | 11909 |
| avian leukemia virus | 22 | no rank | viruses | viruses | 11946 |
| rabbit hemorrhagic disease virus | 37 | species | viruses | viruses | 11976 |
| feline calicivirus | 59 | species | viruses | viruses | 11978 |
| norwalk virus | 73 | species | viruses | viruses | 11983 |
| human parechovirus 1 | 29 | no rank | viruses | viruses | 12063 |
| swine vesicular disease virus | 23 | no rank | viruses | viruses | 12075 |
| poliovirus 1 | 47 | no rank | viruses | viruses | 12080 |
| human poliovirus 1 strain sabin | 2 | no rank | viruses | viruses | 12082 |
| poliovirus 2 | 26 | no rank | viruses | viruses | 12083 |
| poliovirus 3 | 29 | no rank | viruses | viruses | 12086 |
| enterovirus d70 | 24 | no rank | viruses | viruses | 12090 |
| hepatovirus a | 95 | species | viruses | viruses | 12092 |
| encephalomyocarditis virus | 105 | no rank | viruses | viruses | 12104 |
| foot-and-mouth disease virus | 89 | species | viruses | viruses | 12110 |
| foot-and-mouth disease virus o | 15 | no rank | viruses | viruses | 12118 |
| rhinovirus a2 | 21 | no rank | viruses | viruses | 12130 |
| borna disease virus | 65 | species | viruses | viruses | 12455 |
| human astrovirus 1 | 13 | no rank | viruses | viruses | 12456 |
| hepatitis delta virus | 89 | species | viruses | viruses | 12475 |
| dobrava-belgrade virus | 23 | species | viruses | viruses | 12506 |
| mokola virus | 26 | species | viruses | viruses | 12538 |
| omsk hemorrhagic fever virus | 8 | species | viruses | viruses | 12542 |
| chicken anemia virus | 60 | species | viruses | viruses | 12618 |
| dengue virus | 99 | species | viruses | viruses | 12637 |
| duck hepatitis b virus | 58 | species | viruses | viruses | 12639 |
| ectromelia virus | 47 | species | viruses | viruses | 12643 |
| feline coronavirus | 31 | no rank | viruses | viruses | 12663 |
| human immunodeficiency virus | 455 | species | viruses | viruses | 12721 |
| human parainfluenza virus 1 | 34 | species | viruses | viruses | 12730 |
| respiratory syncytial virus | 164 | species | viruses | viruses | 12814 |
| human t-lymphotropic virus 3 | 11 | no rank | viruses | viruses | 28332 |
| porcine reproductive and respiratory syndrome virus | 65 | species | viruses | viruses | 28344 |
| camelpox virus | 21 | species | viruses | viruses | 28873 |
| rotavirus a | 58 | species | viruses | viruses | 28875 |
| rotavirus b | 22 | species | viruses | viruses | 28876 |
| peste-des-petits-ruminants virus | 32 | species | viruses | viruses | 31604 |
| human coronavirus oc43 | 29 | no rank | viruses | viruses | 31631 |
| ockelbo virus | 14 | no rank | viruses | viruses | 31699 |
| human herpesvirus 6a | 12 | species | viruses | viruses | 32603 |
| buffalopox virus | 7 | no rank | viruses | viruses | 32605 |
| african horse sickness virus 1 | 2 | no rank | viruses | viruses | 33714 |
| kyasanur forest disease virus | 13 | species | viruses | viruses | 33743 |
| echovirus | 57 | species | viruses | viruses | 33758 |
| gallid herpesvirus 3 | 1 | species | viruses | viruses | 35250 |
| alcelaphine herpesvirus 1 | 26 | species | viruses | viruses | 35252 |
| bunyamwera virus | 31 | species | viruses | viruses | 35304 |
| california encephalitis virus | 28 | no rank | viruses | viruses | 35305 |
| bwamba virus | 3 | species | viruses | viruses | 35310 |
| nyando virus | 1 | no rank | viruses | viruses | 35316 |
| bluetongue virus 1 | 2 | no rank | viruses | viruses | 35327 |
| bovine rotavirus a | 1 | no rank | viruses | viruses | 35333 |
| vesicular exanthema of swine virus | 11 | species | viruses | viruses | 35612 |
| venezuelan equine encephalitis virus (strain everglades fe3-7c) | -3 | no rank | viruses | viruses | 36383 |
| rotavirus c | 33 | species | viruses | viruses | 36427 |
| meleagrid herpesvirus 1 | 39 | species | viruses | viruses | 37108 |
| chikungunya virus | 39 | species | viruses | viruses | 37124 |
| human herpesvirus 8 | 140 | species | viruses | viruses | 37296 |
| bovine calicivirus | 3 | no rank | viruses | viruses | 37300 |
| avian orthoreovirus | 30 | species | viruses | viruses | 38170 |
| avian metapneumovirus | 28 | species | viruses | viruses | 38525 |
| duvenhage virus | 10 | species | viruses | viruses | 38767 |
| yaba monkey tumor virus | 9 | species | viruses | viruses | 38804 |
| banzi virus | 9 | species | viruses | viruses | 38837 |
| human parechovirus 2 | 16 | no rank | viruses | viruses | 39085 |
| caprine herpesvirus 1 | 14 | species | viruses | viruses | 39944 |
| tyuleniy virus | 2 | species | viruses | viruses | 40004 |
| saumarez reef virus | 1 | species | viruses | viruses | 40012 |
| african horse sickness virus | 28 | species | viruses | viruses | 40050 |
| bluetongue virus | 64 | species | viruses | viruses | 40051 |
| epizootic hemorrhagic disease virus | 22 | species | viruses | viruses | 40054 |
| palyam virus | 4 | species | viruses | viruses | 40059 |