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王爱玲:全球消除HBV母婴传播的进展与挑战|专家论坛
据世界卫生组织(WHO)估计,2022年全球约2.54亿人患有乙型肝炎(以下简称乙肝),每年新增感染病例约120万例。HBV母婴传播是乙肝新发感染的主要来源,全球90%的HBV感染是由于母婴传播,主要发生在HBV患病率高且资源有限的国家。2022年,全球5岁及以下儿童乙肝表面抗原(HBsAg)流行率约为0.7%,相当于560万名儿童感染HBV。
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