Hepatitis B surface antigen What is this disease?

Hepatitis B surface antigen, hepatitis B virus is the coat protein, no infectious, but it is a sign of hepatitis B virus infection, if the hepatitis B surface antigen is positive, generally prompt the body to carry hepatitis B virus. If the continuous examination is positive for half a year, and check liver function abnormalities, more chronic hepatitis occurs, it is recommended to treat as soon as possible.