近几年国外血吸虫病流行病学的研究,继续有所报道。现将主要的调查研究资料,分为流行情况、流行因素、防治措施和考核方法等三个方面,摘要综述如下:一、流行情况和流行因素血吸虫病是严重危害亚非拉人民健康的一种寄生虫病。据统计,现在世界上流行血吸虫病的国家和地区有76个,受威胁的人口约6亿人,患病者约2亿人,占世界总人口的5％。 In recent years, foreign epidemiological studies of schistosomiasis, continue to be reported. The main survey data are divided into three aspects: prevalence, epidemic factors, prevention and control measures and assessment methods. The summary is summarized as follows: I. Epidemic situation and epidemic factors Schistosomiasis is a serious threat to the health of people in Asia, Africa and Latin America parasitic disease. According to statistics, there are 76 countries and regions with endemic schistosomiasis in the world. About 600 million people are threatened and about 200 million people are sick, accounting for 5% of the world’s total population.