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按全国人体寄生虫分布调查方法，１９９７年在广东省８个县进行第二次人体肠道寄生虫分布调查。共查８２１７人，总感染率为４８．１１％；男、女感染率分别为４８．７８％和４７．４８％。总感染率学龄前儿童最高为５２．５６％，其次为中小学生５０．８７％。这次调查共查出３８种人体寄生虫，包括线虫１２种、吸虫８种、绦虫４种、原虫１３种和棘头虫１种，其中比翼线虫、念珠棘头虫和巨片吸虫为我省首次报道。感染１、２、３、４、５和６种虫者分别占感染人数的５７．５８％、２８．５３％、１０．４０％、２．７１％、０．６３％和０．１０％。人群中蛲虫、蛔虫、鞭虫和钩虫的感染率较高，分别为１９．４６％、１９．２０％、１８．２４％和６．５６％。华支睾吸虫感染率为４．０８％，感染率最高的年龄组是３０～岁组，为９．０６％；感染率最高的职业是干部，为１６．１５％，农民次之，为７．３８％。
According to the survey method of distribution of human parasite in China, the second survey of human intestinal parasites was conducted in eight counties of Guangdong Province in 1997. A total of 8217 people were surveyed, the total infection rate was 48.11%; male and female infection rates were 48.78% and 47.48% respectively. The total prevalence of preschool children was 52.56%, followed by primary and secondary students 50.87%. Thirty-eight species of human parasites were detected in this survey, including 12 species of nematodes, 8 species of trematodes, 4 species of tapeworms, 13 species of protozoa and 1 species of spines. Among them, the biocontrol agent, First reported. 1,2,3,4,5 and 6 kinds of insects accounted for 57.58%, 28.53%, 10.40%, 2.71%, 0.63% and 0.10% respectively of the infected persons. The prevalence of pinworm, roundworm, whipworm and hookworm in the population was high, accounting for 19.46%, 19.20%, 18.24% and 6.56% respectively. Clonorchis sinensis infection rate was 4.08%, the highest infection rate of the age group is 30 ~ group, 9.06%; the highest infection rate is cadres, 16.15%, followed by farmers, 7 .38%.