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目的 掌握淮滨县疟疾实际疫情 ,评估疟疾的流行现状 ,为该县实施全球基金疟疾控制项目后的效果评价提供基线数据。 方法 采取不等比例分层随机抽样方法 ,逐户调查疟疾发病情况 ,疟防知识知晓率及发热病人血检原虫阳性率。采用捕获—再捕获方法 (CRM )估计全县疟疾实际发病率和漏报率。 结果 全县 2 0 0 2年疟疾疫报发病为 5 7例 ,发病率 0 87/万 ,血检原虫阳性率 0 6%。访问居民 480 1人 ,查出疟疾病例 10 9例 ,发病率为 2 2 7%。CRM估计全县发病率为 1 0 4% ,估计漏报率为 89 5 7%。蚊帐使用率 5 5 93 % ,疟防知识知晓率中小学生为 9 3 6% ,居民为 14 3 6%。 结论 淮滨县疟疾流行呈局部爆发流行态势 ,且漏报严重 ,居民疟防知识有待普及。应尽快采取抗疟措施控制疟疾流行。
Objective To grasp the actual epidemic situation of malaria in Huaibin County, assess the prevalence of malaria and provide baseline data for the county’s evaluation of the effect of the Global Fund malaria control project. Methods The stratified random sampling method was used to investigate the incidence of malaria, the awareness rate of malaria prevention and the positive rate of blood test protozoa in febrile patients. The capture-recapture method (CRM) was used to estimate the actual malaria incidence and omission rate in the county. Results The incidence of malaria epidemic in 2002 was 57 in the whole county, with a prevalence of 0.087 / million. The positive rate of blood test protozoa was 0.6%. A total of 4801 residents were interviewed, 109 malaria cases were detected, with a rate of 22.7%. CRM estimates the county incidence was 104%, an estimated missing rate of 89 5 7%. The utilization rate of mosquito nets was 5 5 93%. The awareness rate of malaria prevention knowledge was 93.6% for primary and secondary students and 14 3 6% for residents. Conclusion The prevalence of malaria in Huaibin County was in a state of local outbreak, and the omission was serious. The malaria prevention knowledge needs to be popularized. Malaria measures should be taken as soon as possible to control the malaria epidemic.