is anaplasmosis a virus or bacteria
Anaplasmosis and Ehrlichiosis. Rickettsial infections are caused by a variety of bacteria, and are most often transmitted to humans by infected fleas, lice, mites, and ticks.Rickettsial infections include anaplasmosis, ehrlichiosis, Rocky Mountain spotted fever, and typhus fever group.Anaplasmosis. (Anaplasma phagocytophilum infection). Anaplasmosis, previously known as human granulocytic ehrlichiosis (HGE), is an illness caused by the bacterium Anaplasma phagocytophilum.naplasmosis and Ehrlichiosis. Rickettsial infections are caused by a variety of bacteria, and are most often transmitted to humans by infected fleas, lice, mites, and ticks.