Murray Valley encephalitis

Mur·ray Val·ley encephalitis

noun \ˈmər-ē-ˈval-ē-\

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