A family of viruses that cause hemorrhagic fever and are transmitted by mosquitos and ticks. Flaviviruses have single-stranded RNA as their genetic material. The virus of yellow fever is a flavivirus.
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A genus in the family Flaviviridae that includes yellow fever, dengue, and St. Louis encephalitis viruses. [L. flavus, yellow, + virus]

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fla·vi·vi·rus 'flā-vi-.vī-rəs n
1) cap a genus of the family Flaviviridae of single-stranded RNA viruses that are transmitted by arthropod vectors and esp. by ticks and mosquitoes and that include the causative agents of dengue, Japanese B encephalitis, Saint Louis encephalitis, West Nile fever, and yellow fever
2) any virus of the family Flaviviridae

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any member of a genus (and family) of arbovirus that cause a wide range of diseases in vertebrates (including humans). Transmitted by ticks or mosquitoes, these include yellow fever, dengue, Kyasanur Forest disease, Russian spring-summer encephalitis, and West Nile fever.

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Fla·vi·vi·rus (flaґvĭ-vi″rəs) [flavo- + virus] a genus of viruses of the family Flaviviridae of worldwide distribution, containing about 75 species in 9 serogroups; many members can cause disease. Important human pathogens include the yellow fever, dengue, West Nile, St. Louis encephalitis, Japanese encephalitis, Murray Valley encephalitis, tick-borne encephalitis, Kyasanur Forest disease, and Omsk hemorrhagic fever viruses. Mosquitoes are the most common vector, with some species being tick-borne and some species having no known vector. Formerly called group B arboviruses.

Medical dictionary. 2011.

Look at other dictionaries:

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  • Flavivirus — TEM Abbildung des West Nil Virus Systematik Reich: Viren …   Deutsch Wikipedia

  • Flavivirus — Flavivirus …   Wikipédia en Français

  • Flavivirus — género de una familia de virus Flaviviridae de ácido ribonucleico monocatenario de sentido positivo, que incluye especies que causan fiebre amarilla, dengue y encefalitis de St. Louis. Diccionario Mosby Medicina, Enfermería y Ciencias de la Salud …   Diccionario médico

  • Flavivirus — es un género de virus de la familia Flaviviridae envuelto, de simetría compleja, y cuyo material genético reside en una única cadena de ARN de polaridad positiva. Es el agente causal de la fiebre amarilla …   Enciclopedia Universal

  • Flavivirus — Taxobox virus group = iv familia = Flaviviridae genus = Flavivirus type species = Yellow Fever Virus subdivision ranks = Species subdivision = (see list in article) Flavivirus is a genus of the family Flaviviridae . This genus includes the West… …   Wikipedia

  • Flavivirus — Le …   Wikipédia en Français

  • flavivirus — noun Any arbovirus of the genus Flavivirus, many of which are transmitted by ticks or mosquitos …   Wiktionary

  • flavivirus — /ˈfleɪvəvaɪrəs/ (say flayvuhvuyruhs) noun an arbovirus of the genus Flavivirus, typically pathogens of mammals and birds causing encephalitis and haemorrhagic fevers. {New Latin, from Latin flavis yellow + virus} …   Australian English dictionary

  • flavivirus — noun Etymology: New Latin, from Latin flavus yellow + New Latin i + virus more at virus Date: 1974 any of a family (Flaviviridae) of single stranded RNA viruses that are transmitted by ticks and mosquitoes and include the causative agents of… …   New Collegiate Dictionary

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