Hepatitis B surface antibody more than 500

Hepatitis B surface antibody is the protective antibody of the human body, and quantitative 500, indicating that the antibody titer is relatively concentrated, for a good phenomenon, can better resist hepatitis B virus, but if the hepatitis B surface antibody quantitative low, it is necessary to make up for hepatitis B vaccine, to ensure the titer of antibodies, so as not to suffer from hepatitis B.