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永康市１９８５～１９９４年１０年间共发生输入性恶性疟１３４例，据感染和发病特征分析，病例均属外地感染的输入性恶性疟，１０年来未出现当地感染病例。由于病例治疗条件较差，复燃率高，带虫时间长，客观上对当地起到传染源作用。但由于当地是单纯中华按蚊媒介地区，因此未出现传播。结果表明，在北纬２５°以北大部分地区，出现恶性疟流行主要与嗜人按蚊有关，单纯中华按蚊地区即使有一定数量的恶性疟传染源输入，但传播和流行可能性不大。但在监测措施上仍应值得重视。
There were 134 imported cases of falciparum malaria in Yongkang City from 1985 to 1994. According to the analysis of infection and incidence characteristics, the cases were all imported falciparum malaria imported from abroad. There was no local infection in 10 years. Due to poor treatment of cases, the high rate of relapse, with a long time worm, objectively play a role in the local source of infection. However, since the area is a mere area of Anopheles sinensis, no transmission occurs. The results showed that the occurrence of P. falciparum was mainly associated with Anopheles anthropophagus in most areas north of latitude 25 ° N. It is unlikely that there is a certain amount of input of P. falciparum infection source in the area of Anopheles sinensis only. However, monitoring measures should still be worthy of attention.