冷藏液体结核茵苗保存1～7周分别对1,160例新生儿作皮内接种,于12周、1年及2年后用结核菌素试验鉴定效果。结果表明保存1～3周的结核菌苗均可取得良好效果,保存4～7周亦可在90%病例中见放。放结核菌苗的有效期不应照搬国外所订2周的规定。 Frozen liquid tuberculosis contaminants were stored for 1 to 7 weeks for 1,160 newborns intradermally inoculated with tuberculin test at 12 weeks, 1 year and 2 years after the effect was identified. The results showed that the preservation of 1 to 3 weeks of tuberculosis vaccine can achieve good results, save 4 to 7 weeks can be seen in 90% of cases put. Put the validity of TB vaccine should not be copied according to the provisions of 2 weeks abroad.