潮州市湘桥区人群华支睾吸虫粪检阳性率调查和分析

Epidemiological survey and analysis of positive rate of Clonorchis sinensis infection by stool examination in Xiangqiao district of Chaozhou

目的了解湘桥区华支睾吸虫的感染状况,探讨防治策略。方法采用改良加藤氏厚涂片法粪检韩江东西两岸3个自然村人群粪便中的华支睾吸虫卵。结果调查1145人,检出华支睾吸虫感染者13人,均为轻度感染,感染率为1.14%,其中意溪镇锡美村为1.74%,城西街道春光村为1.57%,桥东街道社光村为0%。男女性别感染率差异无统计学意义(P>0.05);以成人感染为主,10岁以下人群未检出华支睾吸虫;职业分布以医务人员、工人、干部职员感染率较高分别为3.85%、3.57%和1.96%;文化程度以高中组感染率最高(2.09%),其次为初中文化组(1.32%)。结论湘桥区是韩江流域华支睾吸虫的低度流行区,应以监测工作为重点进行防控。

Objective To learn the infection of Clonorchis sinensis in population of Xiangqiao district in Chaozhou and provide basis for making practical control measures. Methods Kato-Kotz was used for detection of Clonorchis sinensis eggs in stools. Results 1 145 samples were analyzed. 13 samples were positive, and the infection rate was 1.14%. The infection of Clonorchis sinensis in Ximei Village Yixi Town was 1.74%, Chunguang Village Chengxi Town was 1.57% and there was none Clonorchis sinensis eggs detected in Sheguang Village Qiaodong Town. A remarkable difference in the infection rate among the male and female was not observed （P〉0.05）. The main population who was infected by Clonorchis sinensis was adults, and Clonorchis sinensis infection was not found under the age of 10. High infection rates were found in medical worker （3.85%）, worker（3.57% ） and office clerk（ 1.96% ）. There was difference in the infection rates among different levels of education： the highest infection rate was high school level （2.09%）, the second highest was junior secondary school level （1.32%）. Conclusion Clonorchiasis epidemic at low grade was found along Hang River in Xiangqiao District, and practical control measures should be made.