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目的了解深圳市常见食源性寄生虫病的门诊感染情况和分布特点,为相关防制策略措施的制定和实施提供依据。方法调查2006~2009年深圳市寄生虫门诊就诊者的华支睾吸虫、卫氏并殖吸虫和广州管圆线虫感染状况,以描述流行病学方法分析人群的感染特征。结果 3 381名就诊者三种食源性寄生虫病的总阳性率为19.08%,其中华支睾吸虫病比例占80.2%;男性感染率高于女性,省内居民感染率高于外省人员;20~59岁年龄组成员的阳性率均显著性高于未成年人组和老年组。结论深圳市的淡水生物性食源性寄生虫病仍以华支睾吸虫为主,存在着混合感染的情况,具有较明显的性别、年龄、籍贯分布特征。
Objective To understand the prevalence and distribution characteristics of outbreaks of common foodborne parasites in Shenzhen and to provide evidences for the formulation and implementation of relevant control strategies. Methods To investigate the infection status of Clonorchis sinensis, Paragonimus westermani and C. elegans in Shenzhen parasite outpatient service from 2006 to 2009 and to describe the epidemiological characteristics of infection in the population. Results The total prevalence rate of the three foodborne parasitic diseases in 3 381 patients was 19.08%, of which, the proportion of Clonorchis sinensis accounted for 80.2%; the male infection rate was higher than that of the female; the infection rate in the province was higher than that of other provinces; The positive rates of members from 20 to 59 age group were significantly higher than that of the minors and the elderly. Conclusion The freshwater biological foodborne parasites in Shenzhen are still mainly Clonorchis sinensis, and there is a mixed infection with obvious sex, age and native distribution characteristics.