我省苏、锡、常地区经济较发达 ,流动人口集中。 3市 1991～ 1995年共报告本地疟疾 5 6 7例 ,而外来输入病例达 6 90例。为了解三地区流动人口疟疾流行情况及对当地居民疟疾流行的影响 ,我们于 1996～ 1999年进行了流行病学调查 ,分析结果报告如下。1　内容和方法1 1　疫情报告 The province of Jiangsu, tin, often more economically developed areas, floating population. In 1991 and 1995, a total of 567 local malaria cases were reported in 3 cities while 690 cases were imported. To understand the prevalence of malaria among the floating population in the three regions and the impact on the malaria epidemic among local residents, we conducted an epidemiological survey from 1996 to 1999 and the results of the analysis are reported below. 1 Contents and methods 1 1 Epidemic report