parasitic infection AE human anaplasmosis AE QY, JX, HY 人类边虫病 http://en.volupedia.org/wiki/Human_granulocytic_anaplasmosis 10071038 This is an AE which is a tick-borne, infectious disease caused by Anaplasma phagocytophilum, an obligate intracellular bacterium that is typically transmitted to humans by ticks of the Ixodes ricinus species complex, including Ixodes scapularis and Ixodes pacificus in North America.