Encephalitis, murray's valley encephalitisA83.4
Synonym(s)
Murray valley encephalitis; MVE
DefinitionThis section has been translated automatically.
Arbovirosis (endemic zooanthropoonosis), which is caused by the Murray Valley encephalitis virus.
PathogenThis section has been translated automatically.
- Murray valley encephalitis virus, belonging to the Flaviviridae.
- Enzoonosis between mosquitoes (Culex species) and water birds (herons, pelicans), possibly also in kangaroos and rabbits.
- Horses and pigs only fall ill inapparently. Man is only a host by chance.
Occurrence/EpidemiologyThis section has been translated automatically.
- Occurrence in Australia and Papua New Guinea.
- Epidemics after rainfall.
Clinical featuresThis section has been translated automatically.
- Blande courses, encephalitis and progressive brain decay are possible.
- Flu-like clinical picture with fever, chills, fatigue, headaches, nausea and vomiting.
- Skin changes are rare. Occasionally parainfectious viral exanthema occurs.
- Infection of the central nervous system: encephalitis with clouding of consciousness, seizures, reflex disorders, paresis and meningitis signs.
- In children threat of fudroyant courses.
DiagnosisThis section has been translated automatically.
- Virus isolation (brain).
- ELISA: Cross reactions with other flaviviruses (especially Kunjin virus) have to be considered.
Differential diagnosisThis section has been translated automatically.
Other viral and bacterial encephalitides, especially Japanese Encephalitis
Complication(s)This section has been translated automatically.
Progressive brain decay. Lethal course.
TherapyThis section has been translated automatically.
Symptomatic.
ProphylaxisThis section has been translated automatically.
- Mosquito control and protection.
LiteratureThis section has been translated automatically.
- Mackenzie JS, Barrett AD, Deubel V (2002) The Japanese encephalitis serological group of flaviviruses: a brief introduction to the group. Curr Top Microbiol Immunol. 267: 1-10