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目的对肺吸虫囊蚴在溪蟹体内的分布及人群感染的危险因素和感染程度进行调研,为今后对肺吸虫病预防措施的建立提供科学依据。方法开展对中间宿主的调查,从而掌握溪蟹肺吸虫囊蚴的感染程度;采用分层整群抽样方法,了解人群肺吸虫病感染情况。结果干预措施前后溪蟹肺吸虫囊蚴感染率为16.83%和15.77%,其中高山地区溪流中间宿主感染率较为显著,为64.42%和55.65%。结论加大卫生防病科普知识宣传,遏制不良饮食陋习,对人群预防肺吸虫病感染有着十分重要的现实意义。
Objective To investigate the distribution of Paragonimus spp in crab and investigate the risk factors and infection rate of Paragonimus in crab and provide a scientific basis for the establishment of paragonimiasis preventive measures in the future. Methods The investigation of intermediate hosts was carried out to know the infection degree of Paragonimus cercariae. The stratified cluster sampling method was used to understand the prevalence of paragonimiasis in the population. Results Before and after the interventions, the infection rates of Paragonimus sibiricus larvae were 16.83% and 15.77%, respectively. Among them, the prevalence of middle host infection was 64.42% and 55.65% respectively in mountainous areas. Conclusion Increasing publicity of popular knowledge of disease prevention and control of diseases and preventing unhealthy eating habits have very important practical significance for preventing the infection of paragonimiasis in the population.