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分析近10 年广州市疟疾的地理分布特征,发现广州市疟疾分布存在明显的地区差异。近10 年山区疟疾平均发病率达24-09/ 万属主要疫区,丘陵地区发病率为2-39/ 万,平原或盆谷地区发病率为0-96/万,市区则无疟疾本地传播。不同地势的蚊媒种群结构及密度也不同。以地势、发病率、蚊媒为划分依据,可将广州市疟疾流行强度分为4 个层次:北部山区为中高疟区;丘陵地区为低疟区;平原、盆谷地带为散发区;市区为无疟区。并针对不同疟区提出了不同的防治监测措施。
Analyzing the geographical distribution of malaria in Guangzhou in recent 10 years, we found that there are obvious regional differences in the distribution of malaria in Guangzhou. In recent 10 years, the average incidence of malaria in mountainous areas reached 24-09 / million, with the incidence of 2-39 / million in hilly areas, 0-96 / million in plain or basin valley and no malaria in urban areas spread. The structure and density of mosquito vectors in different terrain are also different. Based on the topography, incidence and mosquito vectors, the intensity of malaria in Guangzhou can be divided into four levels: the malaria endemic area in the northern mountainous area, the malaria area in the hilly area, the distribution area in the plains and the basin valley, No malaria area. And for different malaria areas put forward different prevention and control measures.