Schistosomiasis, a chronic infection, is caused by three different worm species. 血吸蟲病屬慢性感染,由三種不同蟲種引起。
The antigenic disguise of schistosome was first demonstrated by the experiments of surgery transmission of the worm between hosts. 血吸蟲在宿主間的轉移實驗證明了血吸蟲具有抗原偽裝現象。