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血吸虫病是一种历史悠久、分布面广、严重危害人类健康的寄生虫病［１］。它的传播过程涉及到人和哺乳类动物宿主，以及它们共同生存并能完成传播的外界环境。血吸虫必需在两类宿主的体内环境完成有性繁殖（哺乳类动物）和无性繁殖（钉螺）；而其自由生存的幼虫阶段还需在宿主
Schistosomiasis is a long history of widespread parasites that seriously endanger human health [1]. Its spread involves both human and mammalian hosts, as well as the external environment in which they both live and can communicate. Schistosomes must perform both sexual reproduction (mammalian) and vegetative propagation (snails) in the in vivo environment of both host families; and their free-living stage of larval needs to be maintained in the host