Powassan encephalitis


Powassan encephalitis
a rare form of tick-borne encephalitis seen in eastern Canada and the northeastern United States, caused by the Powassan virus and closely resembling Russian spring-summer encephalitis.

Medical dictionary. 2011.

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  • Powassan encephalitis — is a form of arbovirus that results from tick bites. Symptoms manifest within 7 10 days and include fever, headache, partial paralysis, confusion, nausea and even coma. Half of all cases results in permanent neurological damage and 10 15% result… …   Wikipedia

  • Powassan encephalitis virus — Pow·as·san encephalitis, virus (po wahґsən) [Powassan, Ontario, Canada, where the disease was first observed in 1958] see under encephalitis and virus …   Medical dictionary

  • Encephalitis — is an acute inflammation of the brain, commonly caused by a viral infection. It can be caused by a bacterial infection such as bacterial meningitis spreading directly to the brain (primary encephalitis), or may be a complication of a current… …   Wikipedia

  • Powassan virus — Taxobox name = PAGENAME virus group = iv familia = Flaviviridae genus = Flavivirus species = PAGENAME The Powassan virus is a tick borne encephalitis virus related to the classic TBE flavivirus. This disease had its earliest origins in the town… …   Wikipedia

  • Powassan virus — a tick borne virus of the genus Flavivirus that causes Powassan encephalitis in eastern Canada and the northeastern United States …   Medical dictionary

  • Encephalitis, arboviral — Encephalitis (which is inflammation of the brain) that is due to infection by an arbovirus (an arthropod borne virus). The arboviruses are maintained through transmission between susceptible vertebrate animals by arthropods (such as mosquitoes… …   Medical dictionary

  • Encephalitis — Inflammation of the brain. Encephalitis occurs, for example, in 1 in 1,000 cases of measles. It may start (up to 3 weeks) after onset of the measles rash and present with high fever, convulsions, and coma. It usually runs a blessedly short course …   Medical dictionary

  • Tick-borne encephalitis — Tick borne meningoencephalitis Classification and external resources ICD 10 A84 ICD 9 063 …   Wikipedia

  • Venezuelan equine encephalitis virus — Virus classification Group: Group IV ((+)ssRNA) Family …   Wikipedia

  • Murray Valley encephalitis virus — Virus classification Group: Group IV ((+)ssRNA) Family: Flaviviridae Genus …   Wikipedia