Anaplasma phagocytophilum

**Definition:** A species of gram-negative bacteria in the genus ANAPLASMA, family ANAPLASMATACEAE, formerly called Ehrlichia phagocytophila or Ehrlichia equi. This organism is tick-borne (IXODES) and causes disease in horses and sheep. In humans, it causes human granulocytic EHRLICHIOSIS.

**Tree numbers:** - B03.440.664.750.050.600 - B03.660.050.783.500.050.600

**Synonyms:** - Ehrlichia phagocytophila - Ehrlichia equi - Cytoecetes phagocytophila - HGE Agent