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１９８６年１１月至１９９１年７月，按全国人体寄生虫分布调查实施细则的规定，我省抽样５个片区，５个市、县１５个点７９５８人进行人体寄生虫感染情况的调查。结果：人群寄生虫感染率为９４．７％，查见寄生虫３０种，其中线虫１１种，绦虫２种，吸虫９种，原虫８种。其中属省内首次查见的虫种有哈氏内阿米巴、微小内蜒阿米巴、布氏嗜碘阿米巴、贝氏等孢球虫、人芽囊原虫、美丽筒线虫、艾氏同杆线虫、肝毛细线虫、卫氏并殖吸虫、异形科吸虫、支双腔吸虫、胰阔盘吸虫、肝片形吸虫、巨片形吸虫和棘口科吸虫等１５种。感染率较高的虫种是鞭虫、蛔虫、钩虫和蛲虫，分别为６６．７％、６１．８％、６０．９％、３９．６％。汉、黎、苗和回各族居民的寄生虫感染率分别为９３．８％、９４．６％、９７．１％和９８．４％。女性和农村居民感染率明显高于男性和城镇居民。多虫感染严重。蛔虫以中度、鞭虫和钩虫以轻度感染居多。感染年龄以５—９岁和１０—１４岁两组为高。对吸虫的流行进行初步分析。通过调查基本模清全省不同方位、不同人群、不同虫种的感染率和主要线虫的感染程度，并对应重点防治的虫种提出了建议。
From November 1986 to July 1991, according to the National Implementation Rules for the Distribution of Human Parasites, five provinces, five cities, and 15 cities and counties with 7,958 places were investigated for parasite infection. Results: The parasite infection rate was 94.7% in the population. 30 parasites were found, including 11 nematodes, 2 aphids, 9 flukes and 8 protozoa. Among them, the first species to be found in the province are H. aeruginosa, A. intramuscularis, A. ibneri, B. burgdorferi, B. bassin, B. scrotum, C. elegans, A. C. elegans, C. elegans, C. paradoxa, C. elegans, C. elegans, C. paniculata, C. elegans, C. maxima, and A. schistosomiasis are 15 species. The species with higher infection rate were whipworm, aphid, hookworm and aphid, which were 66.7%, 61.8%, 60.9% and 39.6%, respectively. The parasitic infection rates of residents of Han, Li, Miao and Hui nationalities were 93.8%, 94.6%, 97.1% and 98.4%, respectively. The infection rate of women and rural residents was significantly higher than that of men and urban residents. Insect infection is serious. Most of the aphids were moderately infected with whipworms and hookworms. The age of infection was 5-9 years old and 10-14 years old. A preliminary analysis of the prevalence of flukes. Through the survey, the basic model of the province’s different azimuth, different populations, different insect species infection rate and the degree of infection of major nematodes, and corresponding to the prevention and control of insect species made recommendations.