为了解包头地区健康人群斑疹伤寒立克次体的抗体水平,为其监测和防制提供科学依据,我们于1991年3～6月对423人进行检测,现将结果报告如下。 材料与方法 一、血清标本 按复合随机抽样法,选择包头地区城乡服务行业体检正常的健康人血清423份。首先用0.85％NS作1:8稀释,56℃水浴30分钟灭活后,置冰箱24小时内作检。 In order to understand the antibody level of the typhus Rickettsia in healthy population in Baotou and to provide a scientific basis for its monitoring and control, we conducted 423 tests in March-June 1991, and the results are reported as follows. MATERIALS AND METHODS A. Serum samples were selected according to the compound random sampling method, and 423 normal healthy human serums in urban and rural service industry in Baotou were selected. First with 0.85% NS for 1: 8 dilution, 56 ℃ water bath for 30 minutes inactivated, set the refrigerator for inspection within 24 hours.