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1背景依据为各成员国提供卫生政策方面指导意见这一职责,世界卫生组织(WHO)就预防具有全球公共卫生影响疾病的疫苗及联合疫苗问题,发布一系列定期更新的立场文件。这些立场文件主要涉及大规模免疫规划中使用的、归纳各相关疾病与疫苗的基本背景信息,并总结了当前WHO内外众多专家的审阅意见,2006年以来,又得到WHO免疫战略咨询专家组的审核和认可。这些立场文件主
1 Background Based on the responsibility of Member States to provide guidance on health policies, the World Health Organization (WHO) issued a series of regularly updated position papers on the prevention of vaccines and combination vaccines that have a global public health impact. These position papers mainly cover the basic background information used in large-scale immunization programs to summarize relevant diseases and vaccines and summarize the review opinions of many experts inside and outside the WHO at present and have been reviewed by WHO immunization strategy consultation expert group since 2006 And recognized. These positions the main document