长沙市据市公安部门统计,近年来每日外来人口流动量为22～24万人,占市总人口的20%,暂住人口为16.3万人。我们于1988年12月至1989年8月对长沙市东、南、西、北4个区经营豆制品的外来人口进行了丝虫病病原学徊血清学调查。共血检324人,查到4例微丝蚴血症者,微丝蚴率1.23%, According to the statistics of the municipal public security department in Changsha City, in recent years the daily flow of foreign population has reached 224,000 to 240,000, accounting for 20% of the total population of the city and the temporary population is 163,000. In December 1988 to August 1989, we investigated the filariasis etiology of migrant workers engaged in soy products in the four districts of East, South, West and North of Changsha City. A total of 324 blood tests were found in 4 cases microfilaremia who microfilaria rate 1.23%