流行性出血热(EHF),近几年郑州市区时有病人发生,为了加强该病的防治,在有关单位配合下,我们于87年3月份在郑州粮院,郑州机专及中原区环卫队对特殊行业的健康人群 EHF 隐性感染情况进行了调查.采用滤纸法取成年无 EHF 病史的健康人耳垂血200份,用间接免疫荧光技术检测 EHFIgG 抗体,阳性17人,隐性感染率8.5%.其中环卫队清洁工70人,隐性感染者9人,隐性感染率12.9%。炊 Epidemic hemorrhagic fever (EHF), Zhengzhou City in recent years, sometimes patients, in order to strengthen the prevention and treatment of the disease, in cooperation with the relevant units, we in March 1987 in Zhengzhou Food Court, Zhengzhou Machine Design and Central Plains sanitation The team investigated the latent infection of EHF among healthy population in special industries.We used the filter paper method to take 200 cases of healthy people with no history of EHF and used indirect immunofluorescence to detect EHFIgG antibody, 17 were positive, and the latent infection rate was 8.5 Among them, there are 70 sanitation workers and 9 latent infections, the latent infection rate is 12.9%. Cooking