Definition of sandfly fever
: a virus disease of brief duration that is characterized by fever, headache, eye pain, malaise, and leukopenia and that is caused by either of two bunyaviruses (species Sandfly fever Naples virus and Sandfly fever Sicilian virus of the genus Phlebovirus) transmitted by the bite of a sand fly (especially Phlebotomus papatasii) — called also
phlebotomus fever
