洪雅县疟疾流行特征分析

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。

Analysis of the characteristics of malaria epidemics in Hongya County

Of malaria incidence in Hongya County from 1950 to 2008, 98.90G was in areas 4700 m above sea level. Of this incidence, 70.21% was concentrated primarily in May to October. The age of onset was 20-59 years; most individuals affected were rural residents, and more men than women were affected. Morbidity rates peaked in 1954, reaching 6 422/10^5 , and then gradually declined. Of the mosquitoes in Hongya County, most were Anopheles sinensis, accounting for 75.21%. Malaria infection in humans was the result of a mosquito bite in 83.05 % of cases. Anopheles sinensis and Plasmodiurn vivax grow and develop in the comfortable climate in Hongya County. Brief spikes in malaria epidemics and local outbreaks are a possibility.