| toscana virus | 23 | no rank | viruses | viruses | 11590 |
| rift valley fever virus | 41 | species | viruses | viruses | 11588 |
| punta toro virus | 28 | species | viruses | viruses | 11587 |
| phlebovirus | 38 | genus | viruses | | 11584 |
| orthobunyavirus | 49 | genus | viruses | | 11572 |
| thogoto virus | 37 | species | viruses | viruses | 11569 |
| influenza c virus | 48 | species | viruses | viruses | 11552 |
| influenza b virus | 57 | species | viruses | viruses | 11520 |
| influenza a virus | 135 | species | viruses | viruses | 11320 |
| dhori virus | 24 | species | viruses | viruses | 11318 |
| bovine ephemeral fever virus | 14 | species | viruses | viruses | 11303 |
| rabies virus | 96 | species | viruses | viruses | 11292 |
| infectious hematopoietic necrosis virus | 41 | no rank | viruses | viruses | 11290 |
| viral hemorrhagic septicemia virus | 46 | no rank | viruses | viruses | 11287 |
| lyssavirus | 38 | genus | viruses | | 11286 |
| vesicular stomatitis virus | 177 | species | viruses | viruses | 11276 |
| piry virus | 7 | species | viruses | viruses | 11274 |
| chandipura virus | 10 | species | viruses | viruses | 11272 |
| vesiculovirus | 17 | genus | viruses | | 11271 |
| marburg marburgvirus | 17 | species | viruses | viruses | 11269 |
| turkey rhinotracheitis virus | 35 | no rank | viruses | viruses | 11264 |
| human respiratory syncytial virus | 66 | species | viruses | viruses | 11250 |
| bovine respiratory syncytial virus | 43 | species | viruses | viruses | 11246 |
| pneumovirus | 35 | genus | viruses | | 11245 |
| rinderpest virus | 39 | species | viruses | viruses | 11241 |
| measles virus | 119 | species | viruses | viruses | 11234 |
| canine distemper virus | 60 | species | viruses | viruses | 11232 |
| morbillivirus | 64 | genus | viruses | | 11229 |
| human parainfluenza virus 3 | 51 | species | viruses | viruses | 11216 |
| bovine parainfluenza virus 3 | 19 | species | viruses | viruses | 11215 |
| human parainfluenza virus 2 | 37 | species | viruses | viruses | 11212 |
| newcastle disease virus | 93 | species | viruses | viruses | 11176 |
| mumps virus | 61 | species | viruses | viruses | 11161 |
| torovirus | 20 | genus | viruses | | 11155 |
| canine coronavirus | 32 | no rank | viruses | viruses | 11153 |
| turkey coronavirus | 37 | no rank | viruses | viruses | 11152 |
| transmissible gastroenteritis virus | 60 | no rank | viruses | viruses | 11149 |
| porcine respiratory coronavirus | 34 | no rank | viruses | viruses | 11146 |
| human coronavirus 229e | 39 | species | viruses | viruses | 11137 |
| bovine coronavirus | 50 | no rank | viruses | viruses | 11128 |
| infectious bronchitis virus | 66 | no rank | viruses | viruses | 11120 |
| hepatitis c virus | 289 | species | viruses | viruses | 11103 |
| hepacivirus | 57 | genus | viruses | | 11102 |
| bovine viral diarrhea virus 1 | 80 | species | viruses | viruses | 11099 |
| classical swine fever virus | 84 | species | viruses | viruses | 11096 |
| pestivirus | 77 | genus | viruses | | 11095 |
| yellow fever virus | 83 | species | viruses | viruses | 11089 |
| louping ill virus | 14 | species | viruses | viruses | 11086 |
| tick-borne encephalitis virus | 55 | species | viruses | viruses | 11084 |
| powassan virus | 11 | species | viruses | viruses | 11083 |
| west nile virus | 97 | species | viruses | viruses | 11082 |
| st. louis encephalitis virus | 38 | species | viruses | viruses | 11080 |
| murray valley encephalitis virus | 28 | species | viruses | viruses | 11079 |
| kunjin virus | 46 | no rank | viruses | viruses | 11077 |
| japanese encephalitis virus | 83 | species | viruses | viruses | 11072 |
| dengue virus 2 | 61 | no rank | viruses | viruses | 11060 |
| dengue virus 1 | 29 | no rank | viruses | viruses | 11053 |
| flavivirus | 103 | genus | viruses | | 11051 |
| lelystad virus | 59 | no rank | viruses | viruses | 11049 |
| equine arteritis virus | 61 | species | viruses | viruses | 11047 |
| arterivirus | 40 | genus | viruses | | 11046 |
| rubella virus | 64 | species | viruses | viruses | 11041 |
| rubivirus | 6 | genus | viruses | | 11040 |
| western equine encephalitis virus | 30 | species | viruses | viruses | 11039 |
| venezuelan equine encephalitis virus | 54 | species | viruses | viruses | 11036 |
| ross river virus | 48 | species | viruses | viruses | 11029 |
| highlands j virus | 13 | species | viruses | viruses | 11024 |
| eastern equine encephalitis virus | 29 | species | viruses | viruses | 11021 |
| barmah forest virus | 22 | species | viruses | viruses | 11020 |
| alphavirus | 74 | genus | viruses | | 11019 |
| infectious bursal disease virus | 60 | species | viruses | viruses | 10995 |
| aquareovirus | 14 | genus | viruses | | 10979 |
| porcine rotavirus a | 2 | no rank | viruses | viruses | 10967 |
| human rotavirus a | 14 | no rank | viruses | viruses | 10941 |
| feline rotavirus | 14 | species | viruses | viruses | 10921 |
| rotavirus | 138 | genus | viruses | | 10912 |
| coltivirus | 11 | genus | viruses | | 10911 |
| african horse sickness virus 9 | 6 | no rank | viruses | viruses | 10897 |
| orbivirus | 33 | genus | viruses | | 10892 |
| orthoreovirus | 54 | genus | viruses | | 10882 |
| dependoparvovirus | 16 | genus | viruses | | 10803 |
| human parvovirus b19 | 81 | species | viruses | viruses | 10798 |
| porcine parvovirus | 57 | species | viruses | viruses | 10796 |
| canine parvovirus | 65 | no rank | viruses | viruses | 10788 |
| feline panleukopenia virus | 46 | no rank | viruses | viruses | 10786 |
| parvovirus | 128 | genus | viruses | | 10781 |
| jc polyomavirus | 89 | species | viruses | viruses | 10632 |
| polyomavirus | 121 | genus | viruses | | 10624 |
| bovine papillomavirus | 95 | species | viruses | viruses | 10571 |
| human papillomavirus | 235 | species | viruses | viruses | 10566 |
| fowl aviadenovirus 1 | 23 | no rank | viruses | viruses | 10553 |
| aviadenovirus | 11 | genus | viruses | | 10552 |
| human adenovirus 1 | 24 | no rank | viruses | viruses | 10533 |
| canine adenovirus 2 | 18 | no rank | viruses | viruses | 10514 |
| mastadenovirus | 13 | genus | viruses | | 10509 |
| adenoviridae | 18 | family | viruses | | 10508 |
| african swine fever virus | 48 | species | viruses | viruses | 10497 |
| lymphocystivirus | 10 | genus | viruses | | 10494 |
| ranavirus | 32 | genus | viruses | | 10492 |
| avihepadnavirus | 6 | genus | viruses | | 10437 |