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豫东平原地区疟疾流行病学监测结果苟改先１王文学１孙其良２胡志田３我省豫东平原地区于１９６０、１９７０年出现两次间日疟暴发流行，平均发病率１５％以上［１］。经过长期积极防治，发病人数减少，流行范围缩小，１９８５年发病率降至２６‰［１，２］。为了探讨该...
Epidemiological Surveillance of Malaria in the East Henan Plain Gou Gaixian1 Wang Wenxue1 Sun Qiliang2 Hu Zhitian3 Two outbreaks of Plasmodium falciparum occurred in the eastern Henan plains in 1960 and 1970 with an average incidence of over 15% [1]. After long-term active prevention and control, the number of patients decreased and the epidemic scope narrowed. The incidence in 1985 dropped to 26 ‰ [1,2]. In order to explore this ...