遵照为成员国提供健康政策指导原则的要求,WHO正在定期发布一系列有关疫苗和联合疫苗的最新立场性文件,这些疫苗是指可预防对全球公共健康造成危害的疾病的疫苗。这些文件主要针对大规模免疫接种。文件主要汇总了有关疾病和疫苗的背景资料,并就该疫苗在全球范围内的使用表明了W In line with the guidelines for providing Member States with guidelines on health policies, WHO is regularly publishing a series of up-to-date stand-alone documents on vaccines and combination vaccines that are vaccines against diseases that can be harmful to global public health. These documents focus mainly on mass immunization. The document summarizes the background information on diseases and vaccines and shows that the use of the vaccine on a global scale