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军团病在国内外分布广泛,常因暴发流行引起较高的病死率。本病在我省未见报道,故于1986～1988年,选择蒙自、昆明和下关三地,采集306例呼吸道住院病人双份血清612份,用间接免疫荧光试验(IFA),检测嗜肺军团菌I型(简称LPI)抗体。以每视野50％的LPI抗原产生荧光达++的血清最高稀释度为效价终点:以双份血清抗体滴度呈≥4倍绝对值增长;或双份血清中任何一次血清抗体滴度≥1∶128者判为军团病现症病人。
Legionnaires’ disease is widespread at home and abroad and often causes a higher case fatality rate due to outbreaks. This disease has not been reported in our province, so from 1986 to 1988, choose Mengzi, Kunming and Shimonoseki three, collected 306 cases of respiratory tract inpatient double serum 612, with indirect immunofluorescence test (IFA) Legionella pneumophila type I (LPI) antibody. The highest dilution of sera producing fluorescence reaching ++ at a per-view of 50% of the LPI antigen was the end point of potency:> 4-fold absolute increase in antibody titers of duplicate sera or serum antibody titers of any of the sera 1:128 were sentenced to the Legionnaires disease patients.