First Known Use: circa 1931
Dictionary
Rift Valley fever
noun
Definition of RIFT VALLEY FEVER
: an acute usually epizootic mosquito-borne disease of domestic animals chiefly of eastern and southern Africa that is caused by a bunyavirus (species Rift valley fever virus of the genus Phlebovirus), is marked especially by fever, abortion, and death of newborns, and is sometimes transmitted to humans usually in a less severe form
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Origin of RIFT VALLEY FEVER
(Great) Rift Valley, Africa
Medical Dictionary
Rift Valley fever
noun Rift Val·ley fever \ˈrift-ˌval-ē-\
Medical Definition of RIFT VALLEY FEVER
: an acute usually epizootic mosquito-borne disease of domestic animals (as sheep and cattle) chiefly of eastern and southern Africa that is caused by a bunyavirus of the genus Phlebovirus (species Rift Valley fever virus), is marked especially by fever, abortion, death of newborns, diarrhea, and jaundice, and is sometimes transmitted to humans usually in a milder form marked by flulike symptoms
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