Kane M
Global Programme for Vaccines and Immunization, World Health Organization, Geneva, Switzerland.
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Hepatitis B vaccines are not generic products and it cannot be assumed that all such vaccines can be used in reduced doses in order to save costs. Any use of vaccines in an unlicensed manner should only be performed in the context of a study that is approved by the national control authority and appropriate ethical review committees.
乙肝疫苗并非通用产品,不能假定所有此类疫苗都可使用较低剂量以节省成本。任何未经许可使用疫苗的行为都应仅在经国家监管机构和适当伦理审查委员会批准的研究背景下进行。