Rift Valley

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Rift Valley,

section of Kenya where the virus was first discovered in the 1900's.
Rift Valley virus - a virus of the genus Phlebovirus that occurs in central and southern Africa in sheep, goats, and cattle; humans may become infected with close contact with infected animals.
References in periodicals archive ?
The deep, narrow, rift valley lakes (Albert, Edward and Tanganyika) filled up.