The Distribution of the Marker of Hepatitis B Virus Infection in Different Populations and the Marker of Sustained Infection

HBV infection marker was tested by RIA and ELISA in 55 cases of primary hepatic cell carcinoma, 105 cases of chronic active hepatitis, 211 cases of acute hepatitis, 1161 persons of the population at high risk of liver cancer and 822 persons of those at low risk of the cancer.It was found that the positive rate of HBsAg plus high titer of anti-HBc (RIA inhibition rate >80%)was highest in liver cancer cases (85.5%) and decreased successively is chronic hepatitis, acute hepatitis, population at high risk of liver carcinoma and those at low risk of the cancer. The positive rate of single anti-HBc cried in the opposite direction, being lowest in liver cancer patients.