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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。乙型肝炎(简称乙肝)免疫策略的主要目的是预防慢性乙型肝炎病毒(HBV)感染及其严重的并发症,包括肝硬化和肝细胞癌。针对所有婴儿抗HBV感染的常规免疫接种,应该成为世界各国国家免疫计划的组成部分。高覆盖率的婴儿基础系列免疫接种已在预防儿童慢性
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 main purpose of the Hepatitis B (HBV) immunization strategy is to prevent chronic hepatitis B virus (HBV) infection and its serious complications, including cirrhosis and hepatocellular carcinoma. Routine immunization against all infant anti-HBV infections should be part of a national immunization program in all countries. High-coverage infant-based immunizations have been shown to prevent childhood chronicity