金山撤县建区后经济建设不断发展 ,外来人口流入量日益增加 ,为加强我区外来人口血吸虫病、疟疾、丝虫病 (简称“三病”)的检疫监测工作。 1999年 ,我区 16个乡镇和 1个石化街道开展了外来人口分布与“三病”检疫情况的调查 ,结果报告如下 :1　材料与方法1.1　资料来源外来人口 With the continuous economic development after the establishment of Jinshan County, the inflow of foreign population is increasing day by day. In order to strengthen the quarantine and monitoring of schistosomiasis, malaria and filariasis (referred to as “three diseases”) in the non-native population in our district. In 1999, 16 townships and one petrochemical street in our district were investigated for the distribution of foreign population and quarantine of the “three diseases”. The results are reported as follows: 1 Materials and Methods 1.1 Sources of Information Migrants