病毒性肝炎是我国常见的传染病,对人民健康危害甚大。以乙型肝炎为例,全国至少有1.2亿人携带乙肝病毒,其中10%最终转化为各种慢性肝病,包括慢性肝炎、肝硬变和肝癌。现在我国慢性肝炎病人约有1200万,每年肝病死亡人数约30万,其中13万人 Viral hepatitis is a common infectious disease in our country, which is harmful to people’s health. In the case of hepatitis B, at least 120 million people in the country carry the hepatitis B virus, of which 10% eventually turn into a variety of chronic liver diseases including chronic hepatitis, cirrhosis and liver cancer. At present, there are about 12 million chronic hepatitis patients in our country and about 300,000 liver disease deaths each year, of which 130,000