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改革开放使广东省经济得到迅猛发展,随之大量外省民工蜂涌南下,连年形成“民工潮”。广东省近年的传染病起伏与之不无关系。由于流动人口频繁及传染源的输入,常有疟疾暴发点出现,据统计,1983～1987年广东共有暴发点397个,其中88.7％由人口流动传染源引起。深圳市1983～1985年出现输入继发点261个,占同期全省疟疾点总数79.1％,病例又输出到10多个省、市及省内35个市县。1988～1990年珠江三角洲的
Since the reform and opening up, the economy of Guangdong Province has witnessed rapid development. As a result, a large number of migrant workers from other provinces have swarmed down southward and a “migrant workers tide” has been formed in successive years. In recent years, the ups and downs of infectious diseases in Guangdong Province have something to do with it. Due to the frequent mobile population and the input of infectious sources, malaria outbreaks often occur. According to statistics, a total of 397 outbreaks occurred in Guangdong from 1983 to 1987, of which 88.7% were caused by the source of population movement. There were 261 secondary input points from 1983 to 1985 in Shenzhen City, accounting for 79.1% of the total number of malaria points in the province during the same period. The cases were exported to more than 10 provinces, cities and 35 cities and counties in the province. From 1988 to 1990 in the Pearl River Delta