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为了解肠道寄生原虫在我省的感染及分布情况,我们在1987～1990年全省寄生虫分布调查的同时进行了肠道原虫的调查。报告如下。1 调查方法调查方法按全国统一实施方案进行。(1)抽样采用分层整群随机抽样。全省计划调查5万人,抽样100个点,每点500人。根据地貌结合方位分为滇东等5个片区,每片区按统一的人口比例确定抽样点数,各县和乡均按经济收入结合文化卫生状况分为上、中、下3类,每类县按人口比例抽样,每县随机抽取3～5个
In order to understand the infection and distribution of intestinal parasitic protozoan parasites in our province, we conducted surveys of intestinal protozoa while investigating the distribution of parasites across the province from 1987 to 1990. The report is as follows. A survey method survey method according to the unified national implementation plan. (1) Sampling Randomized stratified cluster sampling. The province plans to investigate 50,000 people, sampling 100 points, each of 500 people. According to the landform and orientation, it is divided into 5 areas such as East Yunnan. Each area is determined according to a unified population proportion. Each county and township is divided into upper, middle and lower categories according to economic income and cultural health status. The proportion of population sampling, each county randomly selected 3 to 5