乙型肝炎病毒(HBV)感染是一个严重的全球问题,据估计全球大约有20亿人曾经感染乙肝病毒,慢性HBV感染者约3·5亿~4亿人,每年有50万~120万人死于HBV感染。我国是乙型肝炎的高发区,每年约有10%~20%的急性乙肝将转成慢性肝炎,肝硬化甚至发展成肝癌,严重威胁着人们的健康,急性乙肝的 Hepatitis B virus (HBV) infection is a serious global problem. It is estimated that about 2 billion people in the world have been infected with hepatitis B virus and about 350 million to 400 million people with chronic HBV infection each year. 500,000 to 1.2 million people Died of HBV infection. China is a high incidence of hepatitis B, about 10% to 20% of acute hepatitis B each year will be converted to chronic hepatitis, cirrhosis or even develop into liver cancer, a serious threat to people’s health, acute hepatitis B