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为了掌握我县医院产科卡介苗（BCG）接种效果，以便提高和保持高质量的BCG接种工作，我们于1997年9月随机抽取了1所县级医院、12所乡级医院，对在这些医院产科出生和生后24小时内接种过BCG、且年龄为0～l岁的健康儿童293人，进行了BCG纯蛋白衍化物（PPD）试验。PPD试剂由卫生部
In order to grasp the effect of BCG vaccination in obstetrics and gynecology in our county hospital in order to improve and maintain the quality of BCG vaccination, we randomly selected 1 county-level hospital and 12 township-level hospitals in September 1997 to evaluate the feasibility of BCG vaccination in these hospitals BCG purified protein derivate (PPD) assay was performed on 293 healthy children, born at birth and within 24 hours after birth, and BCG aged 0-1 years. PPD reagents by the Ministry of Health