摘要:目的 了解河南省华枝睾吸虫病流行现状及相关的流行因素。 方法 采用改良加藤粪检法检查，并以病例对照匹配问卷对相关性流行因素进行调查。 结果 2000年河南省共在17个县(市)51个调查点，调查25894人，检出华枝睾吸虫卵阳性者23人，阳性率为0.09%，华枝睾吸虫卵计数平均为35个/g。以县为单位阳性率最高为平舆0.86%(13/1513)，年龄35～39岁组阳性率0.42%和家庭妇女组阳性率1.64%为各分组最高。 结论 河南省华枝睾吸虫病防治效果非常明显，感染率和感染度均控制在较低水平。但流行区扩大和感染方式改变，对预防控制华枝睾吸虫病的流行提出了新的挑战。

    关键词:华枝睾吸虫病;流行病学调查;控制

    Epidemiological survey of clonochiasis in Henan Province.

    LIN Xi-meng，XU Bian-li，ZHAO Xu-dong，et al.

    (Henan Provincial Center for Disease Control and Prevention，Zhengzhou450003，Henan，P.R.China)

    Abstract:Objective To understand the prevalent situation of clonorchiasis and the factors associated in Henan Province. Methods Fecal samples were examined by Kato-Katz thick smear technique and questionnaire survey of relevant factors associated with Clonorchis sinensisinfection was conducted among the egg-positive individuals and the negative control persons. Results A-mong25894people from51sites in17counties examined，23persons(0.09%)were found infected with C.sinensis in2000，with an average EPG of35.The infection rate in Pingyu County was0.86%(13/1513) ......