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1979年7月至9月,我们对六安地区猪群中乙型脑炎病毒感染动态进行了观察,并结合气象和疫情资料,对本区的乙型脑炎流行规律略加讨论。材料:每旬在六安地区屠宰厂(猪系来自本地区所属各县)采集猪动脉血,应用血凝抑制试验(HI)测定血清乙型脑炎抗体滴度。实验用的血凝素系安徽省省
From July to September 1979, we observed the dynamics of Japanese encephalitis virus (JEV) infection in the swine herds in Lu’an area. Combined with the meteorological data and epidemic situation, we briefly discussed the prevalence of Japanese encephalitis in this area. MATERIALS: Pig blood samples were collected from pig slaughterhouses in Lu’an district every ten days (pigs were from all counties in this area), and the antibody titer of Japanese encephalitis was determined by hemagglutination inhibition test (HI). Experimental hemagglutinin Department of Anhui Province