1977年10月研究血吸虫病的科学家,现场工作者以及各基金会的代表在意大利举行了一次会议,其目的是在于评价目前各种防制方法的效果以及应用现有技术可能完成的情况。在讨论中统一了目前对血吸虫病传播的认识。影响螺类传播作用的因素为:(1) 螺类的生物学性质:其生物的潜能,繁殖能力,毛蚴密度,螺类排出尾蚴的方式等;(2) 与螺类 Scientists and field workers studying schistosomiasis in October 1977, together with representatives of foundations, held a meeting in Italy with the aim of assessing the effectiveness of the current types of control methods and the circumstances under which existing technologies could be applied. During the discussion, the current understanding of the spread of schistosomiasis was unified. (1) the biological properties of snails: their biological potential, reproductive capacity, density of cercariae, cercariae discharge cercariae way; (2) and snails