Medical Dictionary

Murray Valley encephalitis

noun Mur·ray Val·ley encephalitis \ˈmər-ē-ˈval-ē-\

Medical Definition of MURRAY VALLEY ENCEPHALITIS

:  an encephalitis endemic in northern Australia and Papua New Guinea that is caused by a single-stranded RNA virus of the genus Flavivirus (species Murray Valley encephalitis virus) transmitted by mosquitoes (especially Culex annulirostris) and that is often asymptomatic but may cause serious potentially fatal disease

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