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为了考核冻干卡介苗和液体卡介苗的效价差异,运输及贮藏方法对冻千卡介苗的影响,特选择15岁以下儿童575人,进行冻干卡介苗皮内接种12周阳转及卡痕调查,并与同年龄组201人液体卡介苗皮内接种者进行对照。冻干及液体卡介苗均由上海生物制品厂生产,批号分别为8517和8533。两组接种及检查人员均相同。 12周OT试验,冻干组575人阳转558人,阳转率97.04％;液体组201人阳转191人,阳转率95.02％(P>0.05),经统计学处理阳转率无显著差别。结核
In order to evaluate the differences in potency of freeze-dried BCG and BCG, transport and storage methods on the effects of freeze-thaliana BCG, 575 children under 15 years of age were selected to conduct the 12-week positive and freeze-thaw tests of freeze-dried BCG vaccination With the same age group of 201 liquid BCG vaccination intradermal contrast. Lyophilized and liquid BCG are produced by Shanghai Biological Products Factory with serial numbers of 8517 and 8533 respectively. The two groups vaccination and inspection staff are the same. In the 12-week OT test, 575 people in the lyophilized group were positive in 558 people, the positive conversion rate was 97.04%; in the liquid group, 191 were positive, 191 were positive, the positive conversion rate was 95.02% (P> 0.05) difference. tuberculosis