human granulocytic anaplasmosis An ehrlichiosis that results in infection located in granular leukocyte, has_material_basis_in Anaplasma phagocytophilum, which is transmitted by lone star tick (Amblyomma americanum). The infection has symptom headache, has symptom muscle aches, has symptom fatigue, has symptom fever and has symptom rash. ehrlichiosis