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Related to Marseilles fever: boutonneuse fever, Rickettsia africae, Fievre boutonneuse
Mediterranean spotted fever
tick-borne infection with Rickettsia conorii seen in Africa, Europe, the Middle East, and India and known by different names in different areas, for example, Marseilles fever, Crimean fever, Indian tick typhus, and Kenya fever. Two forms are Mediterranean exanthematous fever (q.v.), which manifests as skin eruptions, and Mediterranean erythematous fever (q.v.), which manifests as skin redness. See: Rickettsia conorii.
Etymology: Marseille, France; L, febris, fever
a disease endemic around the Mediterranean, in Africa, in the Crimea, and in India, caused by Rickettsia conorii transmitted by the brown dog tick (Rhipicephalus sanguineus). Characteristic symptoms are chills, fever, an ulcer covered with a black crust at the site of the tick bite, and a rash appearing on the second to fourth day. Also called boutonneuse fever, Bruch's disease, Conor's disease, escharonodulaire, Indian tick fever, Kenya fever.
African Tick TyphusA tick-borne rickettsial infection caused by Rickettsia conorii, which occurs in the eastern hemisphere and is similar to Rocky Mountain spotted fever but less severe.
Clinical findings Fever, a small ulcer (tache noire) at the site of the tick bite, swollen glands nearby (satellite lymphadenopathy), and a red raised (maculopapular) rash.