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1951~2008年洪雅县疟疾主要分布在海拨≤700 m的地区,发病构成占98.90%;发病主要集中5~10月份,占70.21%;发病年龄主要20~59岁,农民较多,男多于女。1954年发病率最高,达6 422/10万,以后逐渐下降。洪雅县蚊种构成以中华按蚊为主,占75.21%,人房嗜人按蚊占83.05%。洪雅县气候适宜中华按蚊及间日疟原虫生长发育。疫情存在短期回升和局部暴发流行可能性。
From 1951 to 2008, malaria in Hongya County was mainly distributed in the areas where the altitude was less than or equal to 700 m, accounting for 98.90% of the total. The incidence mainly concentrated from May to October, accounting for 70.21%. The age of onset was mainly from 20 to 59 years with more peasants and males More than women. The highest incidence was in 1954, reaching 6 422 102 000 and gradually declining thereafter. The mosquito species in Hongya County was dominated by Anopheles sinensis, accounting for 75.21% and Anopheles anthropophagus accounted for 83.05%. Hongya County climate suitable for Anopheles sinensis and Plasmodium vivax growth and development. Epidemic there is a short-term recovery and the possibility of local outbreaks.