African tick fever

Cri·me·an-Con·go hem·or·rhag·ic fe·ver

a form of hemorrhagic fever distinct from Omsk hemorrhagic fever, occurring in central Russia, transmitted by species of the tick Hyalomma, and caused by Crimean-Congo hemorrhagic fever virus, a member of the Bunyaviridae family; horses are the chief reservoir of human infection; characterized by abrupt onset, high fever, headache, myalgia, widespread petechial hemorrhagic lesions, gastrointestinal bleeding, high fatality rate.

Synonym(s): African tick fever

African tick fever

a tick-borne or spotted fever caused by Rickettsia africae that develops into a diffuse rash. Multiple eschars, lymphangitis, lymphadenopathy, and edema are common. See also relapsing fever.