Oropouche feverA93.0
Synonym(s)
ORO
HistoryThis section has been translated automatically.
Shope, 1962
DefinitionThis section has been translated automatically.
Dengue-like, self-limiting infectious disease transmitted by mosquitoes, caused by the Oropouche virus (arbovirosis), sporadic-endemic and sometimes occurring in large epidemics. It was named after the river Oropouche on Trinidad.
PathogenThis section has been translated automatically.
- Oropouche virus, family Bunyaviridae, representative of the Simbu serogroup.
- Human-to-human transmission by the vectors Culex mosquitoes and Culicoides mosquitoes. Possible virus reservoirs are sloths, monkeys, birds.
Occurrence/EpidemiologyThis section has been translated automatically.
Occurrence: Northern Brazil (cocoa cultivation), Southern Caribbean (Trinidad), Panama. The average duration of epidemics is about 6 months.
The first outbreak was described in 1950.
Clinical featuresThis section has been translated automatically.
Incubation period: 4-8 days. Acute onset of fever of 1-2 weeks duration. Fatigue, headache, myalgia and arthralgia, generalized lymphadenopathy, viral exanthema, aseptic meningitis.
DiagnosisThis section has been translated automatically.
- Cultivation in cell cultures and in mice.
- Serology (ELISA).
Differential diagnosisThis section has been translated automatically.
yellow fever; dengue fever; Mayaro infection; influenza
TherapyThis section has been translated automatically.
Supportive-symptomatic.
Progression/forecastThis section has been translated automatically.
Quick recovery. Long term immunity.
ProphylaxisThis section has been translated automatically.
Mosquito protection and control.