北京市结核病胸部肿瘤研究所在全国31个省、市、自治区进行了结核病流行病学抽样调查。采用整群等比抽样方法,抽样点数257个,实检人数365,097人,调查结果经省级验收后,全国分六大区对所发现肺结核病人逐个讨论定诊,全部阳性痰标本由国家级参比实验室进行分枝杆菌菌种鉴定和药物敏感性试验。 调查结果:不排除卡介苗接种的结核感染率为 Beijing Institute of Tuberculosis and Chest Cancer in 31 provinces, municipalities and autonomous regions conducted a tuberculosis epidemiological sampling survey. Using cluster sampling method, the number of sampling points was 257 and the number of actual tests was 365,097. After the survey results were checked and accepted by the provincial government, tuberculosis patients were diagnosed one by one in six regions across the country. All the positive sputum samples were obtained from state-level parameters Mycobacterial species identification and drug susceptibility testing in laboratories. Findings: The BCG infection rate is not excluded