环江县位于桂西北部,有12个乡镇,140个行政村,人口32万。丝虫病流行特点自1959年起发现有丝虫病流行至1982年基本消灭达标止,流行区范围占全县乡(镇)的80%,占行政村的66.4%,流行人口占全县人口的63.89%。全县总微丝蚴阳性率为2.2%(8419/385328)。马来微丝蚴平均密度为196.2条/60μl,最高者为3266条;班氏微丝蚴平均密度为32.1条/60μl,最高者为458条。马来微丝蚴血症的最小年龄为1.5岁,最大为 Huanjiang County is located in the northwestern Guangxi, with 12 towns and 140 administrative villages with a population of 320,000. The prevalence of filariasis Since 1959 found that the prevalence of filariasis basically eliminated in 1982 reached the standard, the epidemic area accounting for 80% of the county townships (towns), accounting for 66.4% of administrative villages, the populous population of the county population Of 63.89%. The county’s total microfilaria positive rate of 2.2% (8419/385328). The average density of Malay microfilaria was 196.2 / 60μl, the highest was 3266. The average density of Bancroftian microfilaria was 32.1 / 60μl, the highest was 458. Malay microfibremia minimum age of 1.5 years, the largest