Definitions for "Rift Valley fever"
an infection common in Africa caused by a bunyavirus; transmitted by mosquitoes or by handling infected animals
an acute infection of domestic animals and humans caused by a virus transmitted by mosquitoes of the Aedes, Culex, and Erethmapodites genera. In humans, it is characterized by flu-like symptoms; in severe cases it may be associated with encephalitis or hemorrhagic fever.
an acute, fever-causing viral disease that affects domestic animals (such as cattle, buffalo, sheep, goats, and camels) and humans; RVF is most commonly associated with mosquito-borne epidemics during years of heavy rainfall.