Hepatitis B virus(9) COVID-19(8) Hepatocellular carcinoma(8) entecavir(6) Chronic Hepatitis B(5) Prognosis.(4) hepatitis B(4) SARS-CoV-2(4) HBV(4) cirrhosis(3) antiviral therapy(3) gut microbiota(3) Treatment.(3) acute liver failure(3) TDF(3) coronavirus(3) HBV DNA(3) HMGB1(2) gut-lung axis(2) Immunopathogenesis(2) Liver cirrhosis(2) HBV-LC(2) hepatitis E virus(2) Drug-induced liver injury(2) CHB(2) Liver fibrosis(2) Respiratory complications(2) Pegylated interferon(2) host-dominating flare(2) HBsAg(2)