News|Articles|March 1, 2005

Rocky Mountain Spotted Fever

Rickettsia rickettsii is transmitted tohumans by a tick bite. This boy hadbeen camping a short time beforea fever and the classic rash of RockyMountain spotted fever developed.The erythematous macular rashfirst appears on wrists and anklesand spreads to the trunk. Note thepuffy appearance of the skin resultingfrom vasculitis.

Rickettsia rickettsii is transmitted tohumans by a tick bite. This boy hadbeen camping a short time beforea fever and the classic rash of RockyMountain spotted fever developed.The erythematous macular rashfirst appears on wrists and anklesand spreads to the trunk. Note thepuffy appearance of the skin resultingfrom vasculitis.

(Case and photograph courtesy ofW. B. Wadlington, MD.)

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Rocky Mountain Spotted Fever

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