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A satellite is a subviral agent composed of nucleic acid that depends on the co-infection of a host cell with a helper virus for its replication.
Birnaviridae is a family of viruses. Salmonid fish, young sexually immature chickens, and insects serve as natural hosts. There are currently six species in this family, divided among 4 genera. Diseases associated with this family include: IPNV: infectious pancreatic necrosis in salmonid fish, causes significant losses to the aquaculture industry. chronic infection in adult, and acute viral disease in young salmonid fish.
Closteroviridae is a family of viruses. Plants serve as natural hosts. There are currently 39 species in this family, divided among 4 genera. Diseases associated with this family include: yellowing and necrosis, particularly affecting the phloem.
Nodaviridae is a family of viruses. Vertebrates and invertebrates serve as natural hosts. There are currently nine species in this family, divided among 2 genera. Diseases associated with this family include: viral encephalopathy and retinopathy in fishes.
Tombusviridae is a family of single-stranded positive sense RNA plant viruses. There are currently 71 species in this family, divided among 13 genera. The name is derived from the type species of the genus Tombusvirus, tomato bushy stunt virus (TBSV).
White spot syndrome virus (WSSV) is the lone virus of the genus Whispovirus, which is the only genus in the family Nimaviridae. It is responsible for causing white spot syndrome in a wide range of crustacean hosts. White spot syndrome (WSS) is a viral infection of penaeid shrimp. The disease is highly lethal and contagious, killing shrimp quickly. Outbreaks of this disease have wiped out the entire populations of many shrimp farms within a few days, in places throughout the world.
Progressive outer retinal necrosis, is an aggressive, necrotizing inflammation of the eye's retina caused by herpes varicella zoster virus. It is typically found in people with advanced AIDS, but has also been reported in those who are severely immunocompromised due to chemotherapy.
Infectious hematopoietic necrosis virus (IHNV), is a negative-sense single-stranded, bullet-shaped RNA virus that is a member of the Rhabdoviridae family, and from the genus Novirhabdovirus. It causes the disease known as infectious hematopoietic necrosis in salmonid fish such as trout and salmon. The disease may be referred to by a number of other names such as Chinook salmon disease, Coleman disease, Columbia River sockeye disease, Cultus Lake virus disease, Oregon sockeye disease, Sacramento River Chinook disease and sockeye salmon viral disease. IHNV is commonly found in the Pacific Coast of Canada and the United States, and has also been found in Europe and Japan. The first reported epidemics of IHNV occurred in the United States at the Washington and the Oregon fish hatcheries during the 1950s. IHNV is transmitted following shedding of the virus in the feces, urine, sexual fluids, and external mucus and by direct contact or close contact with surrounding water. The virus gains entry into fish at the base of the fins.
Tobacco rattle virus (TRV) is a pathogenic plant virus. Over 400 species of plants from 50 families are susceptible to infection.
Benyvirus is a genus of viruses, in the family Benyviridae. Plant serve as natural hosts. There are currently four species in this genus including the type species Beet necrotic yellow vein virus. Diseases associated with this genus include: BNYVV: rhizomania.
Infectious pancreatic necrosis (IPN) is a severe viral disease of salmonid fish. It is caused by infectious pancreatic necrosis virus, which is a member of the Birnaviridae family. This disease mainly affects young salmonids, such as trout or salmon, of less than six months, although adult fish may carry the virus without showing symptoms. Resistance to infection develops more rapidly in warmer water. It is highly contagious and found worldwide, but some regions have managed to eradicate or greatly reduce the incidence of disease. The disease is normally spread horizontally via infected water, but spread also occurs vertically. It is not a zoonosis.
ATCvet code QI10Immunologicals for Pisces is a therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System for veterinary medicinal products, a system of alphanumeric codes developed by the World Health Organization (WHO) for the classification of drugs and other medical products for veterinary use. Subgroup QI10 is part of the anatomical group QI Immunologicals.
Betaflexiviridae is a family of viruses in the order Tymovirales. Plants and fungi serve as natural hosts. There are currently 87 species in this family, divided among 7 genera. Diseases associated with this family include: mosaic and ringspot symptoms.
Virgaviridae is a family of positive sense, single-stranded RNA viruses. Plants serve as natural hosts. There are currently 59 species in this family, divided among 7 genera. The name of the family is derived from the Latin word virga (rod), as all viruses in this family are rod-shaped.
Necrovirus is a genera of Tombusviridae. It is named after the type species, Tobacco necrosis virus A.
Narcissus tip necrosis virus (NTNV) is a plant pathogenic virus of the family Tombusviridae, which infects plants of the genus Narcissus, the only known host.
Polerovirus is a genus of viruses, in the family Luteoviridae. Plants serve as natural hosts. There are currently 17 species in this genus including the type species Potato leafroll virus. Diseases associated with this genus include: PLRV causes prominent rolling of the leaves of potato and a stiff upright habit of the plants; necrosis of the phloem and accumulation of carbohydrates in the leaves.
Alphanecrovirus is a genus of viruses, in the family Tombusviridae. Plants serve as natural hosts. There are currently three species in this genus, including the type species Tobacco necrosis virus A.
Betanecrovirus is a genus of viruses, in the family Tombusviridae. Plants serve as natural hosts. There are currently three species in this genus, including the type species Tobacco necrosis virus D.
