| mouse parotid tumour virus | <virology> A papovavirus (genus Polyomavirus, family Papovaviridae) which is a DNA tumour virus with very small genome. Polyoma was isolated from mice, in which it causes no obvious disease, but when injected at high titre into baby rodents, including mice, it causes tumours of a wide variety of histological types (hence polyoma). In vitro, infected mouse cells are permissive for virus replication and thus are killed, whilst hamster cells undergo abortive infection and at a low frequency become transformed. It is capable of producing parotid tumours in mice and sarcomas in hamsters as well as tumours in other laboratory animals. Synonym: mouse parotid tumour virus. (22 Sep 2002) |
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| mouse poliomyelitis virus | A virus of the genus Enterovirus, family Picornaviridae, normally associated with inapparent infections and found in the intestinal tracts of infected mice, occasionally causing mouse encephalomyelitis in experimentally inoculated susceptible mice. Synonym: mouse poliomyelitis virus. (05 Mar 2000) |
| mousepox virus | A virus belonging to the family Poxviridae morphologically similar to vaccinia virus, which occurs as a latent infection in laboratory mice, but which may be activated by stresses such as irradiation and transport to cause disease; inoculation into the footpad results in oedema and necrosis. Synonym: ectromelia virus, mousepox virus, pseudolymphocytic choriomeningitis virus. (05 Mar 2000) |
| mouse thymic virus | An unclassified ether-sensitive virus, 75 to 100 nm in diameter, that causes necrosis of the thymus in young mice. (05 Mar 2000) |
| mucosal disease virus | A virus of the genus Pestivirus, in the family Togaviridae, causing bovine virus diarrhoea; New York, Oregon, and Indiana strains of the virus are recognised. Synonym: mucosal disease virus. (05 Mar 2000) |
| mumps virus | The type species of rubulavirus that causes an acute infectious disease in humans, affecting mainly children. Transmission occurs by droplet infection. (12 Dec 1998) |
| mumps virus vaccine | Vaccine containing live, attenuated mumps virus prepared in chick embryo cell cultures. See: measles, mumps, and rubella vaccine. (05 Mar 2000) |
| murine leukaemia virus | <virology> A group of type C retroviruses infecting mice and causing in some strains lymphatic leukaemia after a long latent period. Nearly all are replication competemt and v onc minus. See: Abelson leukaemia virus. (18 Nov 1997) |
| murine sarcoma virus | A seemingly defective retrovirus that produces sarcomas in mice when growing in the presence of a "helper" virus; e.g., mouse leukaemia virus. (05 Mar 2000) |
| Murray Valley encephalitis virus | A group B arbovirus of the genus Flavivirus that causes Murray Valley encephalitis; it is transmitted by Culex mosquitoes, and also infects birds and horses. Synonym: Australian X disease virus, MVE virus. (05 Mar 2000) |
| Murutucu virus | A C group mosquito-borne virus of the genus Bunyavirus, which has caused undifferentiated type fever in Brazil and French Guiana. (05 Mar 2000) |
| plum pox virus | A species of the genus potyvirus that affects many species of prunus. It is transmitted by aphids and by infected rootstocks. (12 Dec 1998) |
| contagious ecthyma virus of sheep | The poxvirus of the genus Parapoxvirus causing contagious ecthyma (pustular dermatitis) of sheep. Synonym: soremouth virus, pustular dermatitis virus (05 Mar 2000) |
| contagious pustular stomatitis virus | The poxvirus causing horsepox. Synonym: contagious pustular stomatitis virus. (05 Mar 2000) |
| poliomyelitis virus | The picornavirus (genus Enterovirus) causing poliomyelitis in humans; the route of infection is the alimentary tract, but the virus may enter the bloodstream and nervous system, sometimes causing paralysis of the limbs and, rarely, encephalitis; many infections are inapparent; serologic types 1, 2, and 3 are recognised, type 1 being responsible for most paralytic poliomyelitis and most epidemics. Synonym: poliovirus hominis, poliovirus. (05 Mar 2000) |