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１９９１～１９９３年对安徽省和县陈桥洲村进行了藐小棘隙吸虫终宿主感染情况的调查。结果显示，居民、猫、犬的感染率分别为１３．７１％（８９９／６５５７）、３９．７６％（３３／８３）和６２．１６％（１１５／１８５）。人群的感 染与性别无关，而与年龄密切相关，年龄越低，感染率越高。３～１０岁感染率最高，为２６．０１％；１１～２０岁、 ２１～３０岁、３１～４０岁、４１～５０岁与５１岁以上者感染率依次为２１．６９％、１４．２６％、９．５０％、８．７４％和 ３．０６％；３～３０岁感染率构成比高达７８．３１％。对感染者的分布特征分析表明，藐小棘隙吸虫感染有极明 显的家庭聚集性和空间聚集性。认为居民感染藐小棘隙吸虫与其饮水有关。
From 1991 to 1993, the investigation on the final host infection of Trichuris sp. The results showed that the infection rates of residents, cats and dogs were 13.71% (899/6557), 39.76% (33/83) and 62.16% (115/185) respectively. Infection with the population has nothing to do with gender, but with age is closely related to the lower the age, the higher the infection rate. The infection rate was the highest between the ages of 3 and 10, which was 26.01%. The infection rates of 11 ~ 20 years old, 21 ~ 30 years old, 31 ~ 40 years old, 41 ~ 50 years old and 51 years old were 21.69%, 14.26 %, 9.50%, 8.74% and 3.06%, respectively. The infection rate of 3 ~ 30 years old was 78.31%. Analysis of the distribution of infected patients showed that there is a very significant familial aggregation and spatial aggregation of Trichogramma infection. Residents infected with small spines think flukes related to their drinking water.