O[edit]

• O'nyong-nyong virus
• Oat blue dwarf virus
• Oat chlorotic stunt virus
• Oat dwarf virus
• Oat golden stripe virus
• Oat mosaic virus
• Oat necrotic mottle virus
• Oat sterile dwarf virus
• Obodhiang ephemerovirus
• Obuda pepper virus
• Odontoglossum ringspot virus
• Oedaleus senegalensis entomopoxvirus
• Okahandja mammarenavirus
• Okra enation leaf curl virus
• Okra mosaic virus
• Okra mottle virus
• Okra yellow crinkle virus
• Okra yellow mosaic Mexico virus
• Olesicampe benefactor ichnovirus
• Olesicampe geniculatae ichnovirus
• Olifantsvlei orthobunyavirus
• Olive latent ringspot virus
• Olive latent virus 1
• Olive latent virus 2
• Olive latent virus 3
• Olive leaf yellowing-associated virus
• Olive mild mosaic virus
• Oliveros mammarenavirus
• Omegapapillomavirus 1
• Omikronpapillomavirus 1
• Omsk hemorrhagic fever virus
• Oncorhynchus 1 novirhabdovirus
• Oncorhynchus 2 novirhabdovirus
• Onion yellow dwarf virus
• Ononis yellow mosaic virus
• Operophtera brumata entomopoxvirus
• Ophiostoma mitovirus 3a
• Ophiostoma mitovirus 4
• Ophiostoma mitovirus 5
• Ophiostoma mitovirus 6
• Ophiostoma partitivirus 1
• Opuntia virus X
• Orchid fleck dichorhavirus
• Orf virus
• Orgyia pseudotsugata multiple nucleopolyhedrovirus
• Oriboca orthobunyavirus
• Ornithogalum mosaic virus
• Ornithogalum virus 2
• Ornithogalum virus 3
• Oropouche orthobunyavirus
• Orthohepevirus A
• Orthohepevirus B
• Orthohepevirus C
• Orthohepevirus D
• Orthopteran ambidensovirus 1
• Orungo virus
• Oryctes rhinoceros nudivirus
• Oryza australiensis RIRE1 virus
• Oryza longistaminata Retrofit virus
• Oryza rufipogon endornavirus
• Oryza sativa endornavirus
• Oscivirus A
• Ostreid herpesvirus 1
• Ostreococcus tauri virus OtV5
• Otomops martiensseni polyomavirus 1
• Otomops martiensseni polyomavirus 2
• Ourmia melon virus
• Ovine atadenovirus D
• Ovine gammaherpesvirus 2
• Ovine mastadenovirus A
• Ovine mastadenovirus B

P[edit]

• Paenibacillus virus Diva
• Paenibacillus virus Hb10c2
• Paenibacillus virus Rani
• Paenibacillus virus Shelly
• Paenibacillus virus Sitara
• Pagoda yellow mosaic associated virus
• Palyam virus
• Pan troglodytes polyomavirus 1
• Pan troglodytes polyomavirus 2
• Pan troglodytes polyomavirus 3
• Pan troglodytes polyomavirus 4
• Pan troglodytes polyomavirus 5
• Pan troglodytes polyomavirus 6
• Pan troglodytes polyomavirus 7
• Panax virus Y
• Pangola stunt virus
• Panicum mosaic virus
• Panicum papanivirus 1
• Panicum streak virus
• Panine alphaherpesvirus 3
• Panine betaherpesvirus 2
• Panine gammaherpesvirus 1
• Pantoea virus Limelight
• Pantoea virus Limezero
• Papaya leaf crumple virus
• Papaya leaf curl China virus
• Papaya leaf curl Guandong virus
• Papaya leaf curl virus
• Papaya leaf distortion mosaic virus
• Papaya lethal yellowing virus
• Papaya mosaic virus
• Papaya ringspot virus
• Papiine alphaherpesvirus 2
• Papiine betaherpesvirus 3
• Papiine gammaherpesvirus 1
• Papio cynocephalus polyomavirus 1
• Papio cynocephalus polyomavirus 2
• Paprika mild mottle virus
• Parainfluenza virus 5
• Paramecium bursaria Chlorella virus 1
• Paramecium bursaria Chlorella virus A1
• Paramecium bursaria Chlorella virus AL1A
• Paramecium bursaria Chlorella virus AL2A
• Paramecium bursaria Chlorella virus BJ2C
• Paramecium bursaria Chlorella virus CA4A
• Paramecium bursaria Chlorella virus CA4B
• Paramecium bursaria Chlorella virus IL3A
• Paramecium bursaria Chlorella virus NC1A
• Paramecium bursaria Chlorella virus NE8A
• Paramecium bursaria Chlorella virus NY2A
• Paramecium bursaria Chlorella virus NYs1
• Paramecium bursaria Chlorella virus SC1A
• Paramecium bursaria Chlorella virus XY6E
• Paramecium bursaria Chlorella virus XZ3A
• Paramecium bursaria Chlorella virus XZ4A
• Paramecium bursaria Chlorella virus XZ4C
• Paraná mammarenavirus
• Parapoxvirus of red deer in New Zealand
• Parechovirus A
• Parechovirus B
• Pariacoto virus
• Parietaria mottle virus
• Parsnip mosaic virus
• Parsnip yellow fleck virus
• Pasivirus A
• Paspalum dilatatum striate mosaic virus
• Paspalum striate mosaic virus
• Passeriform 1 bornavirus
• Passeriform 2 bornavirus
• Passerivirus A
• Passiflora chlorosis virus
• Passiflora latent virus
• Passion fruit mosaic virus
• Passion fruit woodiness virus
• Passion fruit yellow mosaic virus
• Passionfruit severe leaf distortion virus
• Pasteurella virus F108
• Patois orthobunyavirus
• Pea early-browning virus
• Pea enation mosaic virus 1
• Pea enation mosaic virus 2
• Pea green mottle virus
• Pea mild mosaic virus
• Pea necrotic yellow dwarf virus
• Pea seed-borne mosaic virus
• Pea stem necrosis virus
• Pea streak virus
• Pea yellow stunt virus
• Peach chlorotic mottle virus
• Peach latent mosaic viroid
• Peach mosaic virus
• Peach rosette mosaic virus
• Peanut chlorotic streak virus
• Peanut clump virus
• Peanut mottle virus
• Peanut stunt virus
• Peanut yellow mosaic virus
• Pear blister canker viroid
• Pebjah virus
• Pedilenthus leaf curl virus
• Pediococcus virus cIP1
• Pegivirus A
• Pegivirus B
• Pelargonium chlorotic ring pattern virus
• Pelargonium flower break virus
• Pelargonium leaf curl virus
• Pelargonium line pattern virus
• Pelargonium necrotic spot virus
• Pelargonium ringspot virus
• Pelargonium zonate spot virus
• Penicillium brevicompactum virus
• Penicillium chrysogenum virus
• Penicillium cyaneo-fulvum virus
• Penicillium stoloniferum virus F
• Penicillium stoloniferum virus S
• Pennisetum mosaic virus
• Pepino mosaic virus
• Pepper chat fruit viroid
• Pepper cryptic virus 1
• Pepper cryptic virus 2
• Pepper golden mosaic virus
• Pepper huasteco yellow vein virus
• Pepper leaf curl Bangladesh virus
• Pepper leaf curl Lahore virus
• Pepper leaf curl virus
• Pepper leaf curl Yunnan virus
• Pepper mild mottle virus
• Pepper mottle virus
• Pepper ringspot virus
• Pepper severe mosaic virus
• Pepper vein yellows virus
• Pepper veinal mottle virus
• Pepper yellow leaf curl Indonesia virus
• Pepper yellow leaf curl virus
• Pepper yellow mosaic virus
• Pepper yellow vein Mali virus
• Perch perhabdovirus
• Perina nuda virus
• Persea americana endornavirus 1
• Peru tomato mosaic virus
• Peruvian horse sickness virus
• Peste-des-petits-ruminants virus
• Petunia asteroid mosaic virus
• Petunia vein banding virus
• Petunia vein clearing virus
• Pfaffia mosaic virus
• Phaius virus X
• Phanerotoma flavitestacea bracovirus
• Phaseolus vulgaris endornavirus 1
• Phaseolus vulgaris endornavirus 2
• Phaseolus vulgaris Tpv2-6 virus
• Philosamia cynthia x ricini virus
• Phipapillomavirus 1
• Phlomis mottle virus
• Phlox virus B
• Phlox virus M
• Phlox virus S
• Phnom Penh bat virus
• Phocid alphaherpesvirus 1
• Phocid gammaherpesvirus 2
• Phocine distemper virus
• Pholetesor ornigis bracovirus
• Phormidium virus WMP3
• Phormidium virus WMP4
• Phthorimaea operculella granulovirus
• Physalis mottle virus
• Physarum polycephalum Tp1 virus
• Phytophthora endornavirus 1
• Pichindé mammarenavirus
• Pigeon aviadenovirus A
• Pigeon circovirus
• Pigeonpea sterility mosaic virus
• Pigeonpox virus
• Pike fry sprivivirus
• Pilayella littoralis virus 1
• Piliocolobus rufomitratus polyomavirus 1
• Pineapple bacilliform CO virus
• Pineapple bacilliform ER virus
• Pineapple mealybug wilt-associated virus 1
• Pineapple mealybug wilt-associated virus 2
• Pineapple mealybug wilt-associated virus 3
• Pinniped bocaparvovirus 1
• Pinniped bocaparvovirus 2
• Pinniped dependoparvovirus 1
• Pipapillomavirus 1
• Pipapillomavirus 2
• Piper yellow mottle virus
• Pipistrellus bat coronavirus HKU5
• Pirital mammarenavirus
• Piry vesiculovirus
• Piscihepevirus A
• Piscine orthoreovirus
• Pixuna virus
• Plantago asiatica mosaic virus
• Plantago mottle virus
• Plantain virus X
• Plautia stali intestine virus
• Pleione virus Y
• Pleurotus ostreatus virus 1
• Plodia interpunctella granulovirus
• Plum bark necrosis stem pitting-associated virus
• Plum pox virus
• Plutella xylostella granulovirus
• Poa semilatent virus
• Poinsettia latent virus
• Poinsettia mosaic virus
• Pokeweed mosaic virus
• Polygonum ringspot tospovirus
• Pongine gammaherpesvirus 2
• Pongo abelii polyomavirus 1
• Pongo pygmaeus polyomavirus 1
• Poplar mosaic virus
• Porcine circovirus 1
• Porcine circovirus 2
• Porcine epidemic diarrhea virus
• Porcine mastadenovirus A
• Porcine mastadenovirus B
• Porcine mastadenovirus C
• Porcine parainfluenza virus 1
• Porcine reproductive and respiratory syndrome virus 1
• Porcine reproductive and respiratory syndrome virus 2
• Porcine rubulavirus
• Porcine torovirus
• Porcine type-C oncovirus
• Possum atadenovirus A
• Potamipivirus A
• Potato aucuba mosaic virus
• Potato black ringspot virus
• Potato latent virus
• Potato leafroll virus
• Potato mop-top virus
• Potato spindle tuber viroid
• Potato virus A
• Potato virus H
• Potato virus M
• Potato virus P
• Potato virus S
• Potato virus T
• Potato virus U
• Potato virus V
• Potato virus X
• Potato virus Y
• Potato yellow dwarf nucleorhabdovirus
• Potato yellow mosaic Panama virus
• Potato yellow mosaic virus
• Potato yellow vein virus
• Pothos latent virus
• Pouzolzia golden mosaic virus
• Pouzolzia mosaic Guangdong virus
• Powassan virus
• Premna leaf curl virus
• Primate bocaparvovirus 1
• Primate bocaparvovirus 2
• Primate erythroparvovirus 1
• Primate erythroparvovirus 2
• Primate erythroparvovirus 3
• Primate erythroparvovirus 4
• Primate protoparvovirus 1
• Primate T-lymphotropic virus 1
• Primate T-lymphotropic virus 2
• Primate T-lymphotropic virus 3
• Primate tetraparvovirus 1
• Primula malacoides virus 1
• Prochlorococcus virus PSSP7
• Procyon lotor polyomavirus 1
• Prospect Hill hantavirus
• Protapanteles paleacritae bracovirus
• Providence virus
• Prune dwarf virus
• Prunus necrotic ringspot virus
• Prunus virus T
• Pseudalatia unipuncta granulovirus
• Pseudoalteromonas virus PM2
• Pseudocowpox virus
• Pseudomonas virus 119X
• Pseudomonas virus 141
• Pseudomonas virus 42
• Pseudomonas virus 73
• Pseudomonas virus Ab03
• Pseudomonas virus Ab09
• Pseudomonas virus Ab22
• Pseudomonas virus Ab26
• Pseudomonas virus Ab28
• Pseudomonas virus CAb02
• Pseudomonas virus CAb1
• Pseudomonas virus CHU
• Pseudomonas virus D3
• Pseudomonas virus D3112
• Pseudomonas virus DL60
• Pseudomonas virus DL68
• Pseudomonas virus DMS3
• Pseudomonas virus EL
• Pseudomonas virus F116
• Pseudomonas virus F8
• Pseudomonas virus FHA0480
• Pseudomonas virus gh1
• Pseudomonas virus H66
• Pseudomonas virus JG004
• Pseudomonas virus JG024
• Pseudomonas virus Kakheti25
• Pseudomonas virus KPP10
• Pseudomonas virus KPP12
• Pseudomonas virus LBL3
• Pseudomonas virus Lin68
• Pseudomonas virus LIT1
• Pseudomonas virus LKA1
• Pseudomonas virus LMA2
• Pseudomonas virus LPB1
• Pseudomonas virus LUZ24
• Pseudomonas virus M6
• Pseudomonas virus MP22
• Pseudomonas virus MP29
• Pseudomonas virus MP38
• Pseudomonas virus PA1KOR
• Pseudomonas virus PA26
• Pseudomonas virus PAA2
• Pseudomonas virus PAKP1
• Pseudomonas virus PAKP3
• Pseudomonas virus PAKP4
• Pseudomonas virus PaP1
• Pseudomonas virus PaP3
• Pseudomonas virus PaP4
• Pseudomonas virus PB1
• Pseudomonas virus Pf1
• Pseudomonas virus Pf2
• Pseudomonas virus Pf3
• Pseudomonas virus phi6
• Pseudomonas virus phiCTX
• Pseudomonas virus phiKMV
• Pseudomonas virus phiKZ
• Pseudomonas virus PMG1
• Pseudomonas virus SN
• Pseudomonas virus TL
• Pseudomonas virus Yua
• Pseudoplusia includens virus
• Psipapillomavirus 1
• Psittacid alphaherpesvirus 1
• Psittaciform 1 bornavirus
• Psittaciform 2 bornavirus
• Psittacinepox virus
• Pteronotus davyi polyomavirus 1
• Pteronotus parnellii polyomavirus 1
• Pteropus vampyrus polyomavirus 1
• Puma lentivirus
• Pumpkin yellow mosaic virus
• Punta Toro phlebovirus
• Puumala hantavirus
• Pygoscelis adeliae polyomavirus 1
• Pyrobaculum spherical virus
• Pyrrhula pyrrhula polyomavirus 1

Q[edit]

• Qalyub orthonairovirus
• Quail pea mosaic virus
• Quailpox virus
• Quaranfil virus
• Quokkapox virus

R[edit]

• Rabbit fibroma virus
• Rabbit hemorrhagic disease virus
• Rabbit picobirnavirus
• Rabies lyssavirus
• Raccoonpox virus
• Radish leaf curl virus
• Radish mosaic virus
• Radish yellow edge virus
• Ralstonia virus RSA1
• Ranid herpesvirus 1
• Ranid herpesvirus 2
• Ranunculus leaf distortion virus
• Ranunculus mild mosaic virus
• Ranunculus mosaic virus
• Ranunculus white mottle virus
• Raptor siadenovirus A
• Raspberry bushy dwarf virus
• Raspberry leaf blotch virus
• Raspberry leaf mottle virus
• Raspberry ringspot virus
• Rattail cactus necrosis-associated virus
• Raven circovirus
• Red clover cryptic virus 2
• Red clover mottle virus
• Red clover necrotic mosaic virus
• Red clover vein mosaic virus
• Redspotted grouper nervous necrosis virus
• Rehmannia mosaic virus
• Reptile sunshinevirus 1
• Reptilian orthoreovirus
• Reston ebolavirus
• Reticuloendotheliosis virus
• Rhinolophus bat coronavirus HKU2
• Rhinovirus A
• Rhinovirus B
• Rhinovirus C
• Rhizidiomyces virus
• Rhizobium virus RHEph4
• Rhizoctonia solani virus 717
• Rhizosolenia setigera RNA virus 01
• Rhodococcus virus RER2
• Rhodococcus virus RGL3
• Rhododendron virus A
• Rhopalanthe virus Y
• Rhopalosiphum padi virus
• Rhopapillomavirus 1
• Rhopapillomavirus 2
• Rhynchosia golden mosaic Havana virus
• Rhynchosia golden mosaic Sinaloa virus
• Rhynchosia golden mosaic virus
• Rhynchosia golden mosaic Yucatan virus
• Rhynchosia mild mosaic virus
• Rhynchosia rugose golden mosaic virus
• Rhynchosia yellow mosaic India virus
• Rhynchosia yellow mosaic virus
• Ribgrass mosaic virus
• Rice black streaked dwarf virus
• Rice dwarf virus
• Rice gall dwarf virus
• Rice grassy stunt virus
• Rice hoja blanca virus
• Rice necrosis mosaic virus
• Rice ragged stunt virus
• Rice stripe necrosis virus
• Rice stripe virus
• Rice tungro bacilliform virus
• Rice tungro spherical virus
• Rice yellow mottle virus
• Rice yellow stunt nucleorhabdovirus
• Rift Valley fever phlebovirus
• Rinderpest virus
• Rio Bravo virus
• Rio Mamore hantavirus
• Rio Negro virus
• Rio Segundo hantavirus
• Rodent erythroparvovirus 1
• Rodent protoparvovirus 1
• Rodent protoparvovirus 2
• Rosa rugosa leaf distortion virus
• Rosavirus A
• Rose leaf curl virus
• Rose rosette virus
• Rose spring dwarf-associated virus
• Rose yellow mosaic virus
• Rose yellow vein virus
• Rosellinia necatrix megabirnavirus 1
• Rosellinia necatrix partitivirus 2
• Rosellinia necatrix quadrivirus 1
• Rosellinia necatrix victorivirus 1
• Rosellinia necatrix virus 1
• Roseobacter virus SIO1
• Ross River virus
• Rotavirus A
• Rotavirus B
• Rotavirus C
• Rotavirus D
• Rotavirus E
• Rotavirus F
• Rotavirus G
• Rotavirus H
• Rottboellia yellow mottle virus
• Roundleaf bat hepatitis B virus
• Rous sarcoma virus
• Rousettus bat coronavirus HKU9
• Royal Farm virus
• Rubella virus
• Rubus canadensis virus 1
• Rubus yellow net virus
• Ryegrass cryptic virus
• Ryegrass mosaic virus
• Ryegrass mottle virus

S[edit]

• Saaremaa hantavirus
• Sabiá mammarenavirus
• Saboya virus
• Sacbrood virus
• Saccharomyces 20S RNA narnavirus
• Saccharomyces 23S RNA narnavirus
• Saccharomyces cerevisiae Ty1 virus
• Saccharomyces cerevisiae Ty2 virus
• Saccharomyces cerevisiae Ty3 virus
• Saccharomyces cerevisiae Ty4 virus
• Saccharomyces cerevisiae Ty5 virus
• Saccharomyces cerevisiae virus L-A
• Saccharomyces cerevisiae virus L-BC (La)
• Saccharum streak virus
• Saguaro cactus virus
• Saguinine gammaherpesvirus 1
• Saimiri boliviensis polyomavirus 1
• Saimiri sciureus polyomavirus 1
• Saimiriine alphaherpesvirus 1
• Saimiriine betaherpesvirus 4
• Saimiriine gammaherpesvirus 2
• Sakhalin nairovirus
• Sakobuvirus A
• Sal Vieja virus
• Salehabad phlebovirus
• Salivirus A
• Salmon pancreas disease virus
• Salmonella phage L13
• Salmonella phage LSPA1
• Salmonella virus 9NA
• Salmonella virus AG11
• Salmonella virus C2
• Salmonella virus Chi
• Salmonella virus Det7
• Salmonella virus Ent1
• Salmonella virus Epsilon15
• Salmonella virus FelixO1
• Salmonella virus Fels2
• Salmonella virus FSLSP030
• Salmonella virus FSLSP088
• Salmonella virus HB2014
• Salmonella virus HK620
• Salmonella virus iEPS5
• Salmonella virus IKe
• Salmonella virus Jersey
• Salmonella virus Marshall
• Salmonella virus Maynard
• Salmonella virus Mushroom
• Salmonella virus P22
• Salmonella virus PRD1
• Salmonella virus PsP3
• Salmonella virus S16
• Salmonella virus SE1
• Salmonella virus SE2
• Salmonella virus SETP13
• Salmonella virus SETP3
• Salmonella virus SETP7
• Salmonella virus SFP10
• Salmonella virus SH19
• Salmonella virus Shivani
• Salmonella virus SJ2
• Salmonella virus SJ3
• Salmonella virus SopEphi
• Salmonella virus SP069
• Salmonella virus SP101
• Salmonella virus SP126
• Salmonella virus SP31
• Salmonella virus SP6
• Salmonella virus SPC35
• Salmonella virus SPN19
• Salmonella virus SS3e
• Salmonella virus SSE121
• Salmonella virus ST64T
• Salmonella virus Stitch
• Salmonella virus STML131
• Salmonella virus STML198
• Salmonella virus UAB87
• Salmonella virus ViI
• Salmonella virus wksl3
• Salmonid herpesvirus 1
• Salmonid herpesvirus 2
• Salmonid herpesvirus 3
• Sammons's Opuntia virus
• San Perlita virus
• Sandfly fever Naples phlebovirus
• Sangassou hantavirus
• Santee-Cooper ranavirus
• Sanxia wastrivirus
• Sapelovirus A
• Sapelovirus B
• Sapporo virus
• Sarcochilus virus Y
• Sathuperi orthobunyavirus
• Satsuma dwarf virus
• Saumarez Reef virus
• Sauropus leaf curl virus
• Scallion mosaic virus
• Scheffersomyces segobiensis virus L
• Schefflera ringspot virus
• Schistocerca gregaria entomopoxvirus
• Schizosaccharomyces pombe Tf1 virus
• Schizosaccharomyces pombe Tf2 virus
• Schlumbergera virus X
• Sclerotinia gemycircularvirus 1
• Sclerotinia sclerotimonavirus
• Sclerotinia sclerotiorum debilitation-associated RNA virus
• Sclerotinia sclerotiorum endornavirus 1
• Scotophilus bat coronavirus 512
• Scrophularia mottle virus
• Sea trout perhabdovirus
• Semliki Forest virus
• Sendai virus
• Senecavirus A
• Senecio yellow mosaic virus
• Senegalvirus marseillevirus
• Seoul hantavirus
• Sepik virus
• Serinus canaria polyomavirus 1
• Sesbania mosaic virus
• Severe acute respiratory syndrome-related coronavirus
• SFTS phlebovirus
• Shallot latent virus
• Shallot virus X
• Shallot yellow stripe virus
• Shamonda orthobunyavirus
• Sheeppox virus
• Shigella virus AG3
• Shigella virus EP23
• Shigella virus PSf2
• Shigella virus Pss1
• Shigella virus Sb1
• Shigella virus Sf6
• Shigella virus Shfl1
• Shigella virus Shfl2
• Shigella virus SP18
• Shigella virus UTAM
• Shimoni bat lyssavirus
• Shuni orthobunyavirus
• Sicinivirus A
• Sida ciliaris golden mosaic virus
• Sida common mosaic virus
• Sida golden mosaic Braco virus
• Sida golden mosaic Brazil virus
• Sida golden mosaic Buckup virus
• Sida golden mosaic Costa Rica virus
• Sida golden mosaic Florida virus
• Sida golden mosaic Lara virus
• Sida golden mosaic virus
• Sida golden mottle virus
• Sida golden yellow vein virus
• Sida leaf curl virus
• Sida micrantha mosaic virus
• Sida mosaic Alagoas virus
• Sida mosaic Bolivia virus 1
• Sida mosaic Bolivia virus 2
• Sida mosaic Sinaloa virus
• Sida mottle Alagoas virus
• Sida mottle virus
• Sida yellow blotch virus
• Sida yellow leaf curl virus
• Sida yellow mosaic Alagoas virus
• Sida yellow mosaic China virus
• Sida yellow mosaic virus
• Sida yellow mosaic Yucatan virus
• Sida yellow mottle virus
• Sida yellow net virus
• Sida yellow vein Vietnam virus
• Sida yellow vein virus
• Sidastrum golden leaf spot virus
• Siegesbeckia yellow vein Guangxi virus
• Siegesbeckia yellow vein virus
• Sierra Nevada nyavirus
• Sigmapapillomavirus 1
• Simbu orthobunyavirus
• Simian foamy virus
• Simian hemorrhagic encephalitis virus
• Simian hemorrhagic fever virus
• Simian immunodeficiency virus
• Simian mastadenovirus A
• Simian mastadenovirus B
• Simian mastadenovirus C
• Simian virus 41
• Sin Nombre hantavirus
• Sindbis virus
• Sint-Jan's onion latent virus
• Sitke waterborne virus
• Skua siadenovirus A
• Skunkpox virus
• Slow bee paralysis virus
• Snake atadenovirus A
• Snakehead novirhabdovirus
• Snyder-Theilen feline sarcoma virus
• Sodalis virus SO1
• Soil-borne cereal mosaic virus
• Soil-borne wheat mosaic virus
• Solanum nodiflorum mottle virus
• Solanum tuberosum Tst1 virus
• Solenopsis invicta virus-1
• Sonchus cytorhabdovirus 1
• Sonchus yellow net nucleorhabdovirus
• Sorghum chlorotic spot virus
• Sorghum mosaic virus
• South African cassava mosaic virus
• Southern bean mosaic virus
• Southern cowpea mosaic virus
• Southern elephant seal virus
• Southern rice black-streaked dwarf virus
• Southern tomato virus
• Sowbane mosaic virus
• Sowthistle yellow vein nucleorhabdovirus
• Soybean blistering mosaic virus
• Soybean chlorotic blotch virus
• Soybean chlorotic mottle virus
• Soybean cyst nematode socyvirus
• Soybean dwarf virus
• Soybean mild mottle virus
• Soybean mosaic virus
• Soybean Putnam virus
• Soybean yellow common mosaic virus
• Soybean yellow mottle mosaic virus
• Sparrowpox virus
• Spartina mottle virus
• Sphaeropsis sapinea RNA virus 1
• Sphaeropsis sapinea RNA virus 2
• Spilanthes yellow vein virus
• Spinach curly top Arizona virus
• Spinach latent virus
• Spinach severe curly top virus
• Spinach temperate virus
• Spinach yellow vein virus
• Spiraea yellow leafspot virus
• Spiranthes mosaic virus 3
• Spiroplasma virus 1aa
• Spiroplasma virus C74
• Spiroplasma virus KC3
• Spiroplasma virus R8A2B
• Spiroplasma virus S102
• Spiroplasma virus SpV4
• Spiroplasma virus T78
• Spodoptera exigua iflavirus 1
• Spodoptera exigua iflavirus 2
• Spodoptera exigua multiple nucleopolyhedrovirus
• Spodoptera frugiperda ascovirus 1a
• Spodoptera frugiperda granulovirus
• Spodoptera frugiperda multiple nucleopolyhedrovirus
• Spodoptera littoralis nucleopolyhedrovirus
• Spodoptera litura nucleopolyhedrovirus
• Sporolobus striate mosaic virus 1
• Sporolobus striate mosaic virus 2
• Spring beauty latent virus
• Squamate dependoparvovirus 1
• Squash leaf curl China virus
• Squash leaf curl Philippines virus
• Squash leaf curl virus
• Squash leaf curl Yunnan virus
• Squash mild leaf curl virus
• Squash mosaic virus
• Squash vein yellowing virus
• Squirrel fibroma virus
• Squirrel monkey retrovirus
• Squirrelpox virus
• Sri Lankan cassava mosaic virus
• St Croix River virus
• St. Louis encephalitis virus
• Stachytarpheta leaf curl virus
• Staphylococcus virus 3a
• Staphylococcus virus 11
• Staphylococcus virus 13
• Staphylococcus virus 29
• Staphylococcus virus 37
• Staphylococcus virus 42e
• Staphylococcus virus 44AHJD
• Staphylococcus virus 47
• Staphylococcus virus 52a
• Staphylococcus virus 53
• Staphylococcus virus 55
• Staphylococcus virus 69
• Staphylococcus virus 71
• Staphylococcus virus 77
• Staphylococcus virus 80
• Staphylococcus virus 80alpha
• Staphylococcus virus 85
• Staphylococcus virus 88
• Staphylococcus virus 92
• Staphylococcus virus 96
• Staphylococcus virus 108PVL
• Staphylococcus virus 187
• Staphylococcus virus CNPH82
• Staphylococcus virus EW
• Staphylococcus virus G1
• Staphylococcus virus G15
• Staphylococcus virus IPLA35
• Staphylococcus virus IPLA5
• Staphylococcus virus IPLA7
• Staphylococcus virus IPLA88
• Staphylococcus virus JD7
• Staphylococcus virus K
• Staphylococcus virus MCE2014
• Staphylococcus virus P108
• Staphylococcus virus PH15
• Staphylococcus virus phi12
• Staphylococcus virus phiETA
• Staphylococcus virus phiETA2
• Staphylococcus virus phiETA3
• Staphylococcus virus phiMR11
• Staphylococcus virus phiMR25
• Staphylococcus virus phiNM1
• Staphylococcus virus phiNM2
• Staphylococcus virus phiNM4
• Staphylococcus virus phiSLT
• Staphylococcus virus Remus
• Staphylococcus virus S253
• Staphylococcus virus SA11
• Staphylococcus virus SA12
• Staphylococcus virus SAP26
• Staphylococcus virus SEP9
• Staphylococcus virus Sextaec
• Staphylococcus virus Twort
• Staphylococcus virus X2
• Starling circovirus
• Starlingpox virus
• Stenotrophomonas virus IME13
• Stocky prune virus
• Strawberry chlorotic fleck-associated virus
• Strawberry crinkle cytorhabdovirus
• Strawberry latent ringspot virus
• Strawberry mild yellow edge virus
• Strawberry mottle virus
• Strawberry necrotic shock virus
• Strawberry pallidosis-associated virus
• Strawberry pseudo mild yellow edge virus
• Strawberry vein banding virus
• Streptocarpus flower break virus
• Streptococcus virus 858
• Streptococcus virus 2972
• Streptococcus virus 7201
• Streptococcus virus ALQ132
• Streptococcus virus C1
• Streptococcus virus Cp1
• Streptococcus virus DT1
• Streptococcus virus O1205
• Streptococcus virus phiAbc2
• Streptococcus virus Sfi11
• Streptococcus virus Sfi19
• Streptococcus virus Sfi21
• Streptococcus virus SPQS1
• Streptomyces virus phiBT1
• Streptomyces virus phiC31
• Streptomyces virus TG1
• Striped jack nervous necrosis virus
• Sturgeon ichtadenovirus A
• Sturnira lilium polyomavirus 1
• Suakwa aphid-borne yellows virus
• Subterranean clover mottle virus
• Subterranean clover stunt virus
• Sucra jujuba nucleopolyhedrovirus
• Sudan ebolavirus
• Sugarcane bacilliform Guadeloupe A virus
• Sugarcane bacilliform Guadeloupe D virus
• Sugarcane bacilliform IM virus
• Sugarcane bacilliform MO virus
• Sugarcane mosaic virus
• Sugarcane streak Egypt virus
• Sugarcane streak mosaic virus
• Sugarcane streak Reunion virus
• Sugarcane streak virus
• Sugarcane striate mosaic-associated virus
• Sugarcane white streak virus
• Sugarcane yellow leaf virus
• Suid alphaherpesvirus 1
• Suid betaherpesvirus 2
• Suid gammaherpesvirus 3
• Suid gammaherpesvirus 4
• Suid gammaherpesvirus 5
• Sulfolobus islandicus filamentous virus
• Sulfolobus islandicus rod-shaped virus 1
• Sulfolobus islandicus rod-shaped virus 2
• Sulfolobus newzealandicus droplet-shaped virus
• Sulfolobus spindle-shaped virus 1
• Sulfolobus spindle-shaped virus 2
• Sulfolobus spindle-shaped virus 4
• Sulfolobus spindle-shaped virus 5
• Sulfolobus spindle-shaped virus 6
• Sulfolobus spindle-shaped virus 7
• Sulfolobus spindle-shaped virus 8
• Sulfolobus spindle-shaped virus 9
• Sulfolobus turreted icosahedral virus 1
• Sulfolobus turreted icosahedral virus 2
• Sunflower chlorotic mottle virus
• Sunflower mild mosaic virus
• Sunflower mosaic virus
• Sunn hemp leaf distortion virus
• Sunn-hemp mosaic virus
• Swan circovirus
• Sweet clover necrotic mosaic virus
• Sweet potato C6 virus
• Sweet potato chlorotic fleck virus
• Sweet potato chlorotic stunt virus
• Sweet potato collusive virus
• Sweet potato feathery mottle virus
• Sweet potato latent virus
• Sweet potato leaf curl Canary virus
• Sweet potato leaf curl China virus
• Sweet potato leaf curl Georgia virus
• Sweet potato leaf curl Henan virus
• Sweet potato leaf curl Sao Paulo virus
• Sweet potato leaf curl Sichuan virus 1
• Sweet potato leaf curl Sichuan virus 2
• Sweet potato leaf curl South Carolina virus
• Sweet potato leaf curl Uganda virus
• Sweet potato leaf curl virus
• Sweet potato leaf speckling virus
• Sweet potato mild mottle virus
• Sweet potato mild speckling virus
• Sweet potato mosaic virus
• Sweet potato pakakuy virus
• Sweet potato vein clearing virus
• Sweet potato virus 2
• Sweet potato virus C
• Sweet potato virus G
• Swinepox virus
• Switchgrass mosaic-associated virus
• Synechococcus virus P60
• Synechococcus virus Syn5

T[edit]

• Synetaeris tenuifemur ichnovirus
• Tacaiuma orthobunyavirus
• Tacaribe mammarenavirus
• Tacheng chengtivirus
• Taï Forest ebolavirus
• Takifugu rubripes Sushi virus
• Tall oatgrass mosaic virus
• Tamarillo leaf malformation virus
• Tamiami mammarenavirus
• Tamus red mosaic virus
• Tanapox virus
• Taro bacilliform virus
• Taro vein chlorosis nucleorhabdovirus
• Taterapox virus
• Taupapillomavirus 1
• Taupapillomavirus 2
• Taupapillomavirus 3
• Taura syndrome virus
• Telfairia mosaic virus
• Tellina virus
• Telosma mosaic virus
• Tembusu virus
• Tent-making bat hepatitis B virus
• Teschovirus A
• Tete orthobunyavirus
• Thailand hantavirus
• Thermoproteus tenax spherical virus 1
• Thermoproteus tenax virus 1
• Thermus virus IN93
• Thermus virus P23-45
• Thermus virus P23-77
• Thermus virus P37-14
• Thermus virus P74-26
• Thetapapillomavirus 1
• Thiafora nairovirus
• Thimiri orthobunyavirus
• Thin paspalum asymptomatic virus
• Thistle mottle virus
• Thogoto virus
• Thosea asigna virus
• Thottapalayam hantavirus
• Thrush coronavirus HKU12
• Thunberg fritillary mosaic virus
• Thysanoplusia orichalcea nucleopolyhedrovirus
• Tibrogargan tibrovirus
• Tick-borne encephalitis virus
• Tiger puffer nervous necrosis virus
• Timboteua orthobunyavirus
• Tobacco albetovirus 1
• Tobacco albetovirus 2
• Tobacco albetovirus 3
• Tobacco bushy top virus
• Tobacco curly shoot virus
• Tobacco etch virus
• Tobacco latent virus
• Tobacco leaf curl Comoros virus
• Tobacco leaf curl Cuba virus
• Tobacco leaf curl Japan virus
• Tobacco leaf curl Pusa virus
• Tobacco leaf curl Thailand virus
• Tobacco leaf curl Yunnan virus
• Tobacco leaf curl Zimbabwe virus
• Tobacco leaf rugose virus
• Tobacco mild green mosaic virus
• Tobacco mosaic virus
• Tobacco mottle leaf curl virus
• Tobacco mottle virus
• Tobacco necrosis virus A
• Tobacco necrosis virus D
• Tobacco necrotic dwarf virus
• Tobacco rattle virus
• Tobacco ringspot virus
• Tobacco streak virus
• Tobacco vein banding mosaic virus
• Tobacco vein clearing virus
• Tobacco vein distorting virus
• Tobacco vein mottling virus
• Tobacco virtovirus 1
• Tobacco yellow crinkle virus
• Tobacco yellow dwarf virus
• Tolypocladium cylindrosporum virus 1
• Tomato apical stunt viroid
• Tomato aspermy virus
• Tomato black ring virus
• Tomato bright yellow mosaic virus
• Tomato bright yellow mottle virus
• Tomato bushy stunt virus
• Tomato chino La Paz virus
• Tomato chlorosis virus
• Tomato chlorotic dwarf viroid
• Tomato chlorotic leaf distortion virus
• Tomato chlorotic mottle virus
• Tomato chlorotic spot tospovirus
• Tomato common mosaic virus
• Tomato curly stunt virus
• Tomato dwarf leaf virus
• Tomato golden leaf distortion virus
• Tomato golden mosaic virus
• Tomato golden mottle virus
• Tomato golden vein virus
• Tomato infectious chlorosis virus
• Tomato interveinal chlorosis virus
• Tomato leaf curl Anjouan virus
• Tomato leaf curl Arusha virus
• Tomato leaf curl Bangalore virus
• Tomato leaf curl Bangladesh virus
• Tomato leaf curl Cebu virus
• Tomato leaf curl China virus
• Tomato leaf curl Comoros virus
• Tomato leaf curl Diana virus
• Tomato leaf curl Ghana virus
• Tomato leaf curl Guangdong virus
• Tomato leaf curl Guangxi virus
• Tomato leaf curl Gujarat virus
• Tomato leaf curl Hainan virus
• Tomato leaf curl Hanoi virus
• Tomato leaf curl Hsinchu virus
• Tomato leaf curl Iran virus
• Tomato leaf curl Java virus
• Tomato leaf curl Joydebpur virus
• Tomato leaf curl Karnataka virus
• Tomato leaf curl Kerala virus
• Tomato leaf curl Laos virus
• Tomato leaf curl Liwa virus
• Tomato leaf curl Madagascar virus
• Tomato leaf curl Malaysia virus
• Tomato leaf curl Mali virus
• Tomato leaf curl Mindanao virus
• Tomato leaf curl Moheli virus
• Tomato leaf curl Namakely virus
• Tomato leaf curl New Delhi virus
• Tomato leaf curl New Delhi virus 2
• Tomato leaf curl New Delhi virus 4
• Tomato leaf curl Nigeria virus
• Tomato leaf curl Oman virus
• Tomato leaf curl Palampur virus
• Tomato leaf curl Patna virus
• Tomato leaf curl Philippines virus
• Tomato leaf curl Pune virus
• Tomato leaf curl Rajasthan virus
• Tomato leaf curl Seychelles virus
• Tomato leaf curl Sinaloa virus
• Tomato leaf curl Sri Lanka virus
• Tomato leaf curl Sudan virus
• Tomato leaf curl Sulawesi virus
• Tomato leaf curl Taiwan virus
• Tomato leaf curl Toliara virus
• Tomato leaf curl Uganda virus
• Tomato leaf curl Vietnam virus
• Tomato leaf curl virus
• Tomato leaf deformation virus
• Tomato leaf distortion virus
• Tomato marchitez virus
• Tomato mild mosaic virus
• Tomato mild mottle virus
• Tomato mild yellow leaf curl Aragua virus
• Tomato mosaic Havana virus
• Tomato mosaic virus
• Tomato mottle leaf curl virus
• Tomato mottle mosaic virus
• Tomato mottle Taino virus
• Tomato mottle virus
• Tomato necrotic stunt virus
• Tomato planta macho viroid
• Tomato pseudo-curly top virus
• Tomato ringspot virus
• Tomato rugose mosaic virus
• Tomato rugose yellow leaf curl virus
• Tomato severe leaf curl virus
• Tomato severe rugose virus
• Tomato spotted wilt tospovirus
• Tomato torrado virus
• Tomato yellow leaf curl Axarquia virus
• Tomato yellow leaf curl China virus
• Tomato yellow leaf curl Guangdong virus
• Tomato yellow leaf curl Indonesia virus
• Tomato yellow leaf curl Kanchanaburi virus
• Tomato yellow leaf curl Malaga virus
• Tomato yellow leaf curl Mali virus
• Tomato yellow leaf curl Sardinia virus
• Tomato yellow leaf curl Thailand virus
• Tomato yellow leaf curl Vietnam virus
• Tomato yellow leaf curl virus
• Tomato yellow leaf distortion virus
• Tomato yellow margin leaf curl virus
• Tomato yellow mottle virus
• Tomato yellow spot virus
• Tomato yellow vein streak virus
• Tonate virus
• Topografov hantavirus
• Torque teno canis virus
• Torque teno douroucouli virus
• Torque teno felis virus
• Torque teno felis virus 2
• Torque teno midi virus 1
• Torque teno midi virus 2
• Torque teno midi virus 3
• Torque teno midi virus 4
• Torque teno midi virus 5
• Torque teno midi virus 6
• Torque teno midi virus 7
• Torque teno midi virus 8
• Torque teno midi virus 9
• Torque teno midi virus 10
• Torque teno midi virus 11
• Torque teno midi virus 12
• Torque teno midi virus 13
• Torque teno midi virus 14
• Torque teno midi virus 15
• Torque teno mini virus 1
• Torque teno mini virus 2
• Torque teno mini virus 3
• Torque teno mini virus 4
• Torque teno mini virus 5
• Torque teno mini virus 6
• Torque teno mini virus 7
• Torque teno mini virus 8
• Torque teno mini virus 9
• Torque teno mini virus 10
• Torque teno mini virus 11
• Torque teno mini virus 12
• Torque teno sus virus 1a
• Torque teno sus virus 1b
• Torque teno sus virus k2a
• Torque teno sus virus k2b
• Torque teno tamarin virus
• Torque teno tupaia virus
• Torque teno virus 1
• Torque teno virus 2
• Torque teno virus 3
• Torque teno virus 4
• Torque teno virus 5
• Torque teno virus 6
• Torque teno virus 7
• Torque teno virus 8
• Torque teno virus 9
• Torque teno virus 10
• Torque teno virus 11
• Torque teno virus 12
• Torque teno virus 13
• Torque teno virus 14
• Torque teno virus 15
• Torque teno virus 16
• Torque teno virus 17
• Torque teno virus 18
• Torque teno virus 19
• Torque teno virus 20
• Torque teno virus 21
• Torque teno virus 22
• Torque teno virus 23
• Torque teno virus 24
• Torque teno virus 25
• Torque teno virus 26
• Torque teno virus 27
• Torque teno virus 28
• Torque teno virus 29
• Torque teno zalophus virus 1
• Tradescantia mild mosaic virus
• Trager duck spleen necrosis virus
• Trailing lespedeza virus 1
• Tranosema rostrale bracovirus
• Tree shrew mastadenovirus A
• Treisdeltapapillomavirus 1
• Treisepsilonpapillomavirus 1
• Treisetapapillomavirus 1
• Treiszetapapillomavirus 1
• Tremovirus A
• Triatoma virus
• Tribolium castaneum Woot virus
• Trichomonas vaginalis virus 1
• Trichomonas vaginalis virus 2
• Trichomonas vaginalis virus 3
• Trichomonas vaginalis virus 4
• Trichoplusia ni ascovirus 2a
• Trichoplusia ni granulovirus
• Trichoplusia ni single nucleopolyhedrovirus
• Trichoplusia ni TED virus
• Trichoplusia ni virus
• Tripneustis gratilla SURL virus
• Triticum aestivum WIS-2 virus
• Triticum mosaic virus
• Trocara virus
• Tropaeolum mosaic virus
• Tropical soda apple mosaic virus
• Tuber aestivum virus 1
• Tuberose mild mosaic virus
• Tuberose mild mottle virus
• Tula hantavirus
• Tulare apple mosaic virus
• Tulip breaking virus
• Tulip mild mottle mosaic virus
• Tulip mosaic virus
• Tulip virus X
• Tunisvirus
• Tupaia tupavirus
• Tupaiid betaherpesvirus 1
• Turkey aviadenovirus B
• Turkey aviadenovirus C
• Turkey aviadenovirus D
• Turkey siadenovirus A
• Turkeypox virus
• Turlock orthobunyavirus
• Turnip crinkle virus
• Turnip curly top virus
• Turnip mosaic virus
• Turnip rosette virus
• Turnip vein-clearing virus
• Turnip yellow mosaic virus
• Turnip yellows virus
• Twisted-stalk chlorotic streak virus
• Tylonycteris bat coronavirus HKU4
• Tyuleniy virus

U[edit]

• Uganda S virus
• Ugandan cassava brown streak virus
• Ullucus mild mottle virus
• Ullucus virus C
• Umatilla virus
• Una virus
• Ungulate bocaparvovirus 1
• Ungulate bocaparvovirus 2
• Ungulate bocaparvovirus 3
• Ungulate bocaparvovirus 4
• Ungulate bocaparvovirus 5
• Ungulate copiparvovirus 1
• Ungulate copiparvovirus 2
• Ungulate erythroparvovirus 1
• Ungulate protoparvovirus 1
• Ungulate tetraparvovirus 1
• Ungulate tetraparvovirus 2
• Ungulate tetraparvovirus 3
• Ungulate tetraparvovirus 4
• Upsilonpapillomavirus 1
• Upsilonpapillomavirus 2
• Upsilonpapillomavirus 3
• UR2 sarcoma virus
• Urochloa hoja blanca virus
• Urochloa streak virus
• Ustilago maydis virus H1
• Usutu virus
• Uukuniemi phlebovirus

V[edit]

• Vaccinia virus
• Vallota mosaic virus
• Vanilla distortion mosaic virus
• Variola virus
• Varroa destructor virus-1
• Velvet bean severe mosaic virus
• Velvet tobacco mottle virus
• Venezuelan equine encephalitis virus
• Verbena latent virus
• Verbena virus Y
• Vernonia yellow vein virus
• Verticillium dahliae chrysovirus 1
• Vesicular exanthema of swine virus
• Vibrio virus 493
• Vibrio virus CTXphi
• Vibrio virus fs1
• Vibrio virus fs2
• Vibrio virus K139
• Vibrio virus Kappa
• Vibrio virus KVP40
• Vibrio virus MAR
• Vibrio virus MAR10
• Vibrio virus nt1
• Vibrio virus SSP002
• Vibrio virus v6
• Vibrio virus ValKK3
• Vibrio virus VC8
• Vibrio virus Vf12
• Vibrio virus Vf33
• Vibrio virus VHML
• Vibrio virus VP2
• Vibrio virus VP5
• Vibrio virus VP585
• Vibrio virus VP882
• Vibrio virus VpV262
• Vibrio virus VSK
• Vicia cryptic virus
• Vicia cryptic virus M
• Vicia faba endornavirus
• Vigna yellow mosaic virus
• Viper retrovirus
• Visna/maedi virus
• Voandzeia necrotic mosaic virus
• Volepox virus
• Volvox carteri Lueckenbuesser virus
• Volvox carteri Osser virus

W[edit]

• Wad Medani virus
• Wallal virus
• Walleye dermal sarcoma virus
• Walleye epidermal hyperplasia virus 1
• Walleye epidermal hyperplasia virus 2
• Warrego virus
• Wasabi mottle virus
• Waterbird 1 bornavirus
• Watermelon bud necrosis tospovirus
• Watermelon chlorotic stunt virus
• Watermelon leaf mottle virus
• Watermelon mosaic virus
• Watermelon silver mottle tospovirus
• Weddel waterborne virus
• Wenzhou crustavirus
• Wenzhou mammarenavirus
• Wesselsbron virus
• West African Asystasia virus 1
• West African Asystasia virus 2
• West Caucasian bat lyssavirus
• West Nile virus
• Western equine encephalitis virus
• Whataroa virus
• Wheat American striate mosaic cytorhabdovirus
• Wheat dwarf India virus
• Wheat dwarf virus
• Wheat eqlid mosaic virus
• Wheat spindle streak mosaic virus
• Wheat streak mosaic virus
• Wheat yellow leaf virus
• Wheat yellow mosaic virus
• White bream virus
• White clover cryptic virus 1
• White clover cryptic virus 2
• White clover cryptic virus 3
• White clover mosaic virus
• White spot syndrome virus
• White-eye coronavirus HKU16
• Whitewater Arroyo mammarenavirus
• Wigeon coronavirus HKU20
• Wild cucumber mosaic virus
• Wild potato mosaic virus
• Wild tomato mosaic virus
• Wiseana signata nucleopolyhedrovirus
• Wissadula golden mosaic virus
• Wisteria vein mosaic virus
• Wobbly possum disease virus
• Wongabel virus
• Wongorr virus
• Woodchuck hepatitis virus
• Woolly monkey hepatitis B virus
• Woolly monkey sarcoma virus
• Wound tumor virus
• Wyeomyia orthobunyavirus

X[edit]

• Xanthomonas virus Cf16
• Xanthomonas virus Cf1c
• Xanthomonas virus Cf1t
• Xanthomonas virus Cf1tv
• Xanthomonas virus CP1
• Xanthomonas virus Lf
• Xanthomonas virus OP1
• Xanthomonas virus OP2
• Xanthomonas virus phil7
• Xanthomonas virus Xf
• Xanthomonas virus Xfo
• Xanthomonas virus Xfv
• Xanthomonas virus Xop411
• Xanthomonas virus Xp10
• Xanthophyllomyces dendrorhous virus L1A
• Xanthophyllomyces dendrorhous virus L1B
• Xestia c-nigrum granulovirus
• Xincheng anphevirus
• Xipapillomavirus 1
• Xipapillomavirus 2
• Xipapillomavirus 3

Y[edit]

• Y73 sarcoma virus
• Yaba monkey tumor virus
• Yam mild mosaic virus
• Yam mosaic virus
• Yam spherical virus
• Yam virus X
• Yambean mosaic virus
• Yaounde virus
• Yellow fever virus
• Yellow oat-grass mosaic virus
• Yellow tailflower mild mottle virus
• Yellowtail ascites virus
• Yerba mate endornavirus 1
• Yersinia virus D1
• Yersinia virus L413C
• Yersinia virus PST
• Yersinia virus R1RT
• Yersinia virus TG1
• Yokose virus
• Youcai mosaic virus
• Yunnan orbivirus

Z[edit]

• Zaire ebolavirus
• Zalophus californianus polyomavirus 1
• Zantedeschia mild mosaic virus
• Zea mays Hopscotch virus
• Zea mays Opie-2 virus
• Zea mays Prem-2 virus
• Zea mays Sto-4 virus
• Zea mosaic virus
• Zebra finch circovirus
• Zegla orthobunyavirus
• Zetapapillomavirus 1
• Zika virus
• Zucchini green mottle mosaic virus
• Zucchini lethal chlorosis tospovirus
• Zucchini tigre mosaic virus
• Zucchini yellow fleck virus
• Zucchini yellow mosaic virus

Zygocactus virus X