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Rocky mountain spotted fever on the arm

Rocky mountain spotted fever on the arm

Overview

Rocky Mountain Spotted Fever is a disease transmitted to humans by a tick bite. The spots begin as flat (macular) red (erythematous) patches that may bleed into the skin, causing purplish spots (purpura). The disease is named after its characteristic spots. (Image courtesy of the Centers for Disease Control and Prevention.)

Update Date 6/9/2011