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迄今,已阐明的乙型肝炎流行病学,自然病史及病毒结构的知识对控制传播已从基础理论方面提出一套完整的措施。患者传染力大小和可能传播途径是两个重要的因素。 本病自然病史和分子病毒学的发现证实HB_sAg病毒携带者的传染性差异很大。慢性乙肝病毒感染者的自然病史呈两个不同的阶段。初起,为病毒繁殖复制阶段,可在血清中检出HBcAg,HBV-
To date, the well-established knowledge of hepatitis B epidemiology, natural history, and virus structure has put forward a complete set of measures from a fundamental perspective on control of transmission. The magnitude of contagion and the possible route of transmission are two important factors. The natural history of this disease and the discovery of molecular virology have confirmed that the transmissibility of HB_sAg virus carriers varies greatly. Natural history of chronic hepatitis B virus infection in two different stages. Beginning, the stage of replication of the virus replication, can be detected in serum HBcAg, HBV-