我们于1989年7～8月在木天、麻沙滩、三垸三个村,按照全国人体寄生虫分部调查实施细则进行了调查。结果共检查1708人,寄生感染者850人,感染率为49.77%(男54.24%,女45.76%)。其中感染1种寄生虫者占受检人数的36.10%,同时感染2、 In July and August 1989, we conducted a survey in three villages of Mutianyu, Ma Beach and Sanjian in accordance with the detailed implementation regulations of the National Human Parasite Survey. Results A total of 1708 people were examined and 850 people were infected with parasites. The infection rate was 49.77% (male 54.24%, female 45.76%). Which infected a parasite accounted for 36.10% of the number of subjects, at the same time infection 2,