摘要乙型肝炎是危害全球人民健康的严重疾病,全球有20亿人感染乙型肝炎病毒(hepatitis B virus,HBV),其中有3.5亿人为慢性乙型肝炎感染者,每年有100万人死于HBV感染所致的肝衰竭、肝硬化和原发性肝细胞癌。我国属于乙型肝炎高流行区,尽管在2006年以后,我国的乙型肝炎感染率下降至7.18%,成为中等流行国家,但仍有两千万慢性乙型肝炎患者[1]。
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