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在五型病毒性肝炎中,以乙型肝炎(乙肝)对我国人民健康危害最为严重。急性乙肝易发展成慢性,其中一部分可演变为肝硬化和原发性肝细胞癌(肝癌)。因此,接种乙肝疫苗不仅可预防乙肝,也可预防由乙肝病毒(HBV)感染引起的肝硬化和肝癌。由于丁型肝炎病毒必须在HBV感染的基础上才能感染,因此,接种乙肝疫苗还可预防丁型肝炎。自1991年世界卫生组织(WHO)提出将乙肝疫苗纳入
Of the five types of viral hepatitis, hepatitis B (hepatitis B) harms the health of our people most seriously. Acute hepatitis B tends to develop chronic, some of which can evolve into cirrhosis and primary hepatocellular carcinoma (HCC). Therefore, hepatitis B vaccine can not only prevent hepatitis B, but also prevent liver cirrhosis and liver cancer caused by hepatitis B virus (HBV) infection. Because hepatitis D virus must be infected on the basis of HBV infection, hepatitis B vaccine can prevent hepatitis D. Since 1991, the World Health Organization (WHO) proposed to include hepatitis B vaccine