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重庆市位于四川盆地东南部,辖9个区、12个县,人口为1470万。农作物以水稻、小麦为主。是间日疟流行区,偶有输入性恶性疟病例。传疟媒介主要有嗜人按蚊和中华按蚊。除市中区无本地病例外,其余各区、县均有不同程度的发病,尤其是大部分郊县历年发病率都较高,但分布不均衡,多呈片状和带状分布。为了解嗜人按蚊的分布、密度与疟疾发病的关系,我们于1980～1991年进行了调查,结果如下。
Located in the southeast of Sichuan Basin, Chongqing has 9 districts and 12 counties with a population of 14.7 million. Crops to rice, wheat-based. Vivax is a popular area, occasionally imported cases of falciparum malaria. The main vectors of malaria are Anopheles anthropophagus and Anopheles sinensis. Except for the non-local cases in the downtown area, all the other districts and counties had different degrees of incidence, especially in most suburbs over the years with high prevalence but uneven distribution with mostly flaky and zonal distribution. To understand the distribution of Anopheles anthrax, density and the incidence of malaria, we conducted a survey from 1980 to 1991, the results are as follows.