Ehrlichiosis is a disease caused by Ehrlichia canis and spread by the brown dog tick, Rhipicephalus sanguineous. Signs include fever, vasculitis, and low blood counts.

• 埃里克氏体病是一种由犬埃立克体引起的疾病，由棕色狗蜱传播。临床症状有发热、血管炎和血细胞数量降低。