云南高原山区血吸虫病疫源点──阳性螺点的概貌

Features of Fositive oncomelania spots in Plateau mountainous region of Yunnan

云南高原山区血吸虫病疫源点──阳性螺点的概貌马灿华，夏代光，陈瑜，李飞，贾雪梅，王文林，张学筝，刘伟，张显清，周永顺，李松林，段所胜ＦｅａｔｕｒｅｓｏｆＦｏｓｉｔｉｖｅｏｎｃｏｍｅｌａｎｉａｓｐｏｔｓｉｎＰｌａｔｅａｕｍｏｕｎｔａｉｎｏｕｓｒｅｇｉｏ...

he positive oncomelania spots is breeding spots of oncomelania withschistosome-positive. It is regarded as schistosomiasis focus. In this report, wedescribed geographic features and topographic features of positive oncomelaniaspots. We have discussed multifarious factors forming oncomelania spots, suchas monsoon climate, relative stability of environment and buffaloes herdedaround the positive oncomelania spots.