Ehrlichiosis

**Definition:** A tick-borne disease characterized by FEVER; HEADACHE; myalgias; ANOREXIA; and occasionally RASH. It is caused by several bacterial species and can produce disease in DOGS; CATTLE; SHEEP; GOATS; HORSES; and humans. The primary species causing human disease are EHRLICHIA CHAFFEENSIS; ANAPLASMA PHAGOCYTOPHILUM; and Ehrlichia ewingii.

**Tree numbers:** - C01.150.252.400.054.750 - C01.920.930.300

**Synonyms:** - Ehrlichia Infection