广东省第二次人体寄生虫分布调查

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％。

THE SECOND SURVEY OF HUMAN PARASITE DISTRIBUTION IN GUANGDONG PROVINCE

According to the unified method formulated by the nationwide human parasite investigation program, the second survey was conducted in eight counties in Guangdong province. Of 8 217 persons examined, 3 953 were infected, with the total parasite infection rate of 48.11%. there is no significant difference( P >0.05) in the infection rate between males(48.78%) and females(47.48%). The highest infection rate was 52.56% in preschool children. 38 species of human parasite were indentified including 13 species of protozoan, 12 species of nematodes, 8 species of trematodes, 4 species of tapeworms and 1 species of Moniliformis. The human infection of Mammomonogamus, Moniliformis moniliformis, Fasciola gigantica was first found in Guangdong. A person wiht 1, 2, 3, 4, 5 and 6 species of parasite accounted for 57.58%, 28.53%, 10.40%, 2.71%, 0.63% and 0.10% respectively. The parasite infection rate of Enterobius vermicularis, Ascaris lumbricoides, Trichuris trichiura and hookworm was 19.46%, 19.20%, 18.24% and 6.56% respectively. A overall infection rate of Clonorchis sinensis was 4.08%, and the highest infection rate(9.06%) was in the age group of 30-39 year old. the infection was most common in cadres(16.15%), following by peasants(7.38%).