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为摸清农村人群钩虫感染现状和探讨不同历史时期钩虫感染的变化规律及其影响因素,我们于1989年4月对农村人群进行了钩虫感染的抽样调查,并与不同历史时期的调查资料进行对比分析。随机抽取有代表性的4～6个自然村为调查点,采集周岁以上人群的粪便标本,用改良加藤氏法和饱和盐水漂浮法检测钩虫卵,1989年调查并用试管滤纸培养法进行虫种鉴定,比较不同时期钩虫感染率。
In order to find out the current status of hookworm infection in rural population and to explore the changing rules and influencing factors of hookworm infection in different historical periods, we conducted a sample survey of hookworm infection in rural population in April 1989 and compared it with the survey data from different historical periods analysis. Stochastically randomly selected 4 to 6 natural villages were selected as the survey sites to collect stool samples of the population above the age of a year. The hookworm eggs were detected by modified Kats’ method and saturated brine floatation method. , To compare different periods of hookworm infection rate.