Niclosamide was the only WHO recommended molluscacide,and was widely used to kill oncomelania to prevent and cure of snail fever.

• 氯硝柳胺是WHO唯一保留推荐使用的灭螺药,广泛用于杀灭钉螺预防血吸虫病,同时氯硝柳胺还是一种良好的驱除绦虫的药物。