Murray Valley encephalitis
noun
Mur·ray Val·ley encephalitis
ˈmər-ē-ˈval-ē- 
: an encephalitis endemic in northern Australia and Papua New Guinea that is caused by a 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
Cite this Entry
“Murray Valley encephalitis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Murray%20Valley%20encephalitis. Accessed 31 Oct. 2025.
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