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海口市长流地区打石场于1993年7～9月发生一起由微小按蚊为媒介，外省流动人口为主体的间日疟局部暴发流行，流动人口发病率为269．4／万，波及周围农村发病率为4．1／万。经采取综合性防治措施后，11月发病率降至零，流行得到控制。现就本次由流动人口引起的疟疾局部暴发流行
In Shi Changchang, Haikou Mayor area, there occurred a local outbreak of Volatile Plasmodium vivax between July and September 1993 when the Anopheles minor mosquitoes was the medium and the migrants from other provinces were the mainstay. The incidence of floating population was 269.4 / Rural incidence was 4.1 / million. After taking comprehensive prevention and treatment measures, the morbidity dropped to zero in November and the epidemic was under control. Now on the floating population caused by local outbreak of malaria epidemic