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0引言乙型病毒性肝炎?丙型病毒性肝炎分别是由乙型肝炎病毒(HBV)和丙型肝炎病毒(HCV)感染引起的世界性传染病[1-10].HBV?HCV感染不仅引起急性?慢性病毒性肝炎,而且与肝硬化和肝细胞癌的发生和发展密切相关[11-20].流行病学调查表明,HB V感染的阳性率为10%,抗-HCV的阳性率为3.2%
0 Introduction Hepatitis B virus hepatitis C virus is a worldwide infectious disease caused by Hepatitis B virus (HBV) and Hepatitis C virus (HCV) infection respectively.1-10 Hepatitis B virus infection not only causes Acute and chronic viral hepatitis, and is closely related to the occurrence and development of cirrhosis and hepatocellular carcinoma.11-20 Epidemiological survey shows that the positive rate of HB V infection is 10% and the positive rate of anti-HCV is 3.2 %