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对流行性出血热(EHF)疫源地类型调查,明确疫区内宿主动物鼠类携带病毒型别。人体受到EHF病毒感染后机体产生免疫应答,在体液中出现相应抗体,应用血凝抑制试验(HI)方法,检测EHF抗体,进行血清学分型来确定疫区类型,制订灭鼠工作措施,消灭或减少传染源,达到预防EHF流行的目的。为查明南充EHF疫区类型,在发病率高的乡村对住院病人,在不同流行强度的三个县的健康人群,采血清检测HI抗体,现将结果报告如下。 1 对象和方法 1.2 调查对象 在高发病区经临床诊断为EHF病人采集血清180
To investigate the epidemic type of epidemic hemorrhagic fever (EHF) and identify the type of host virus in the infected area. EHF virus infection in the body after the body produces an immune response, antibodies appear in body fluids, the application of hemagglutination inhibition test (HI) method to detect EHF antibodies serological typing to determine the type of epidemic area, the development of anti-rodent measures to eliminate or Reduce the source of infection, to prevent the epidemic of EHF purpose. In order to find out the type of epidemic area of EHF in Nanchong, the detection of HI antibody in hospitalized patients and in healthy population of three counties with different epidemic intensity in high incidence area is reported as follows. 1 Subjects and methods 1.2 respondents in the high incidence of clinically diagnosed as EHF patients collected serum 180