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高密县原系钩虫病流行较重的县之一,作者对该县姚戈庄1957、1977、1989年的钩虫感染调查资料进行了分析,结果如下。 1.人群感染率:1957年采用饱和盐水漂浮法共粪检2 013人,虫卵阳性1 226人,感染率为60.90％;1937年用同法共粪检1 144人,虫卵阳性55人,感染率为4.81％;1989年采用改良加藤氏法共粪检548人,虫卵阳性92人,感染率为16.79％。经X~2检验差异有极显著性意义(P均<0.01)。表明姚戈庄人群钩虫感染率1977与1989年比1957年有明显的下降,可能是随着经济的发展,农村生产、生活条件及个人防护条件有了改善所致。
Gaomi County, the original hookworm epidemic of one of the heavier counties, the county Yao Ge Zhuang 1957, 1977, 1989 hookworm infection survey data were analyzed, the results are as follows. 1. Infection rate of the population: In 1957, a total of 2 013 people were screened by the saturated salt water floatation method, with 1,206 eggs positive and the infection rate was 60.90%. In 1937, 1,144 people were screened together and the number of eggs was 55 , And the infection rate was 4.81%. In 1989, 548 people were screened by modified Kato’s method. The number of positive eggs was 92 and the infection rate was 16.79%. After X ~ 2 test difference was extremely significant (P all <0.01). It showed that the infection rate of hookworm in Yao Gezhuang population decreased significantly in 1977 and 1989 compared with 1957, probably due to the improvement of economy, the improvement of rural production, living conditions and personal protection.