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根据1949年解放后的调查和疫情报告所获得病例分布情况,可试将山西省黑热病的地理分布划分为三个不同的流行地区类型。 1.三种流行地区类型及其特征:第一种类型为雁北区型,位于山西北部即雁门关以北大同盆地及其周围山丘地区,与内蒙接
According to the distribution of cases obtained after 1949 after the liberation investigation and epidemic situation report, we can divide the geographical distribution of kala-azar in Shanxi Province into three different types of endemic areas. 1. Three types of endemic areas and their characteristics: The first type is the Yanbei type, which is located in the northern part of Shanxi Province, the Datong Basin and its surrounding hills in the north of Yanmenguan,