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石龙大队1954年疟疾发病率为20～25%,经多年防治,从1962年起即无疟情报告。1982年9月以后,该大队小学生陆续出现疟疾病例,大有爆发流行之势。我科于1983年元月9日到现场作流行病学调查。现将调查结果报告如下: 一、基本情况石龙大队地处六万大山东南麓,西南与博白县双凤交界,海拔243～743m,境内溪流满布,沟渠纵横,清沏流水终年不断。全境位于北回归线以南,属南亚热带低山林区气候。年平均雨量为2,073.5mm,相对湿度在90%左右,月平均气
The incidence of malaria was 20-25% in 1954 by the Shilong Brigade. Since years of prevention and treatment, there has been no malaria report since 1962. Since September 1982, malaria cases have been reported among pupils of the brigade, which have greatly out of fashion. My Section in January 9, 1983 to the scene for epidemiological investigation. The results of the investigation are reported as follows: I. Basic Information The Shilong Brigade is located at the south foot of Shandong Province of Shandong Province, at the south foot of Shandong Province and at the junction of Shuangfeng and Bobai County in the southwest. Its elevation ranges from 243 to 743m and its streams are covered with streams and drains. . The whole territory is located south of the Tropic of Cancer, is a subtropical low-forest forest climate. The average annual rainfall of 2,073.5mm, relative humidity of about 90%, the average monthly gas