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血吸虫再感染是较为普遍的现象，是造成传染源病情加重，慢性和晚期病人数增加的主要因素，通过以化疗为主的综合措施将人群血吸虫感染率降低到一定程度，可减少血吸虫病的危害，却由于有再感染的发生，难以达到阻断传播的目标。我国学者对山丘型疫区及湖区日本血吸虫再感染规
Re-infection of schistosomiasis is a more common phenomenon, which is the main factor contributing to the increase of infectious agents and the increase of chronic and late-stage patients. It can reduce the risk of schistosomiasis by reducing the infection rate of the population to some extent through a comprehensive chemotherapy-based approach , But because of the occurrence of re-infection, it is difficult to achieve the goal of blocking transmission. Chinese Scholars on Hill Epidemic and Schistosoma japonicum Infectious Species