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1背景我国从1978年开始实施计划免疫,按照统一的免疫程序为适龄儿童提供卡介苗(Bacillus Calmette Guerin,BCG)、口服脊髓灰质炎(脊灰)减毒活疫苗(Oral Poliomyelitis Attenuated Live Vaccine,
1 Background In China, the immunization program started in 1978 and provided Bacillus Calmette Guerin (BCG), Oral Poliomyelitis Attenuated Live Vaccine