Disease, Conor and Bruch: African tick typhus, one of the tick-borne rickettsial diseases of the eastern hemisphere similar to Rocky Mountain spotted fever but less severe. Characteristic features include fever, a small ulcer (tache noire) at the site of the tick bite, swollen glands nearby (satellite lymphadenopathy), and a red raised (maculopapular) rash.

Also called boutonneuse and fievre boutonneuse.