| Catu virus | An arbovirus of the genus Bunyavirus, of the family Bunyaviridae; an agent of bunyavirus encephalitis. (05 Mar 2000) |
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| viral haemorrhagic fever virus | <virology> An epidemic viral illness seen in southern Sudan and Zaire, caused by the Ebola virus. The illness is characterised by fever, malaise, muscle aches, respiratory symptoms, diarrhoea, vomiting, epistaxis, haemoptysis, haematemesis, rash, tremors and subconjunctival haemorrhages. Transmitted by close bodily contact with infected individuals (blood, faeces and body fluids). Incubation is-21 days with initial symptoms of fever and headache. There is no specific treatment and death can occur within 10 days. (27 Sep 1997) |
| CA virus | <abbreviation> Croup-associated virus. (05 Mar 2000) |
| measles virus | <virology> Paramyxovirus that causes the childhood disease measles and is responsible for subacute sclerosing panencephalitis. (18 Nov 1997) |
| measles virus vaccine | Vaccine containing live, attenuated strains of measles virus prepared in chick embryo cell culture. See: measles, mumps, and rubella vaccine. (05 Mar 2000) |
| visceral disease virus | <virology> Probably the most widespread of the Herpetoviridae group. Infected cells enlarge and have a characteristic inclusion body (composed of virus particles) in the nucleus. Causes disease only in utero (leading to abortion or stillbirth or to various congenital defects), although can be opportunistic in the immunocompromised host. Patients who have been exposed to the virus will remain cytomegalovirus IgG positive. Acronym: CMV (30 Sep 1997) |
| Patois virus | A serologic group of the genus Bunyavirus, comprising 4 species. (05 Mar 2000) |
| Visna maedi virus | <virology> A retrovirus of sheep and goats. A member of the lentivirus subfamily related to HIV. First identified in Iceland when it was introduced by sheep imported from Germany and causes two diseases the most common, maedi, is a pulmonary infection (maedi is Icelandic for shortness of breath) and when it infects the nervous system, visna, a paralysis similar to multiple sclerosis (visna is Icelandic for wasting). (18 Nov 1997) |
| visna-maedi virus | A species of lentivirus, subgenus ovine-caprine lentiviruses (lentiviruses, ovine-caprine), that can cause chronic pneumonia (maedi), mastitis, arthritis, and encephalomyelitis (visna) in sheep. Maedi is a progressive pneumonia of sheep which is similar to but not the same as jaagsiekte (pulmonary adenomatosis, ovine). Visna is a demyelinating leukoencephalomyelitis of sheep which is similar to but not the same as scrapie. (12 Dec 1998) |
| visna virus | <virology> A virus in the subfamily Lentivirinae which causes encephalitis andchronic pneumonitis in sheep. (09 Oct 1997) |
| REO virus | <virology> A genus of viruses (family Reoviridae) that are 75 to 80 nm in diameter, with distinct double layers of capsomeres, and have vertebrates as hosts; a causative relationship to illness has not been proven. They have been recovered from children with mild fever and sometimes diarrhoea, and from children with no apparent infection; from chimpanzees with coryza; monkeys and mice; and cattle faeces. There are three antigenically distinct human types related by a common complement-fixing antigen. (05 Mar 2000) Previous: rensselaerite, renunculus, R enzyme, reoperation, reostat, reotrope, ReoviridaeNext: REO virus, reovirus 3, reovirus-like agent, REP, repair, repair enzymeREO virus respiratory enteric orphan virus |
| CELO virus | <virology> A virus with characteristics of adenovirus, and similar to quail bronchitis virus. Synonym: chicken embryo lethal orphan virus. (05 Mar 2000) |
| medi virus | A retrovirus (subfamily Lentivirinae) that is the cause of maedi; it is very similar to the visna virus Synonym: medi virus, progressive pneumonia virus. (05 Mar 2000) |
| Central European tick-borne encephalitis virus | One of the virus's of the tick-borne encephalitis complex of group B arboviruses (genus Flavivirus); the causative agent of tick-borne encephalitis (Central European subtype). (05 Mar 2000) |
| respiratory enteric orphan virus | A nonenveloped icosahedral virus whose genome consists of double stranded RNA, belonging to the family Reoviridae, frequently found in both the respiratory and enteric tract. Synonym: REO virus. (05 Mar 2000) |