Hepatitis B virus(129) Chronic Hepatitis B(102) hepatitis B(96) Hepatocellular carcinoma(53) entecavir(42) HBV(36) hepatitis E virus(33) cirrhosis(23) hepatitis B surface antigen(22) HBsAg(21) Viral hepatitis.(21) hepatitis C virus(19) Hepatitis(18) Epidemiology(17) tenofovir.(17) hepatitis E(16) HBV infection(15) COVID-19(15) hepatitis C(14) Patient(13) Mother-to-child transmission(12) Prevalence(12) Follow-up(12) Hepatitis B virus.(11) Antiviral treatment(11) Liver fibrosis(11) Infection(11) reactivation.(10) patients(10) Hepatitis B core-related antigen(10)