Boutonneuse

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Boutonneuse

boutonneuse or african tick typhus, one of the tick-borne rickettsial diseases of the eastern hemisphere, similar to rocky mountain spotted fever, but less severe, with fever, a small ulcer (tache noire) at the site of the tick bite, swollen glands nearby (satellite lymphadenopathy), and a red raised (maculopapular) rash. The french word boutonneuse means pimply. Also called Conor and Bruch's disease.