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据估计全世界约有2亿人和1亿人分别感染血吸虫病和绦虫病,严重地危害人体的健康。另一方面,每年因家畜感染绦虫病所造成的经济损失也是相当可观的。近年来,虽然抗绦虫药物的研究有很大的进展,但尚无一种对人、畜各种绦虫成虫及幼虫均有效的药物。至于目前用于治疗人体三种血吸虫病的药物,或因副作用较大,或因不能兼治三种血吸虫病,尚不够理想。1975年,国外报道吡喹酮(Praziquantel,Embay 8440,商品名为Droncit)对寄生在人、畜体内的大多数
It is estimated that about 200 million people and 100 million people worldwide are infected with schistosomiasis and taeniasis, respectively, which seriously endanger the health of the human body. On the other hand, the annual economic losses caused by Taeniasis in livestock are also considerable. In recent years, although there has been great progress in the study of tapeworms, none of them is effective against adults and larvae of various tapeworms. As for the currently used for the treatment of three human schistosomiasis drugs, or because of the larger side effects, or because they can not cure the three schistosomiasis, not yet ideal. In 1975, foreign reports that praziquantel (Praziquantel, Embay 8440, trade name Droncit) on parasites in humans, most of the carcass