Liver disease(6) Hepatocellular carcinoma(6) Liver cirrhosis(5) IgM antibody(4) diagnostic(4) transmission of SARS-CoV-2(4) vaccination.(4) Immunoglobulin(4) performed(4) Patient(4) liver(4) Hospital admissions(4) SARS-CoV-2(4) history(4) nosocomial(4) single-center(4) RT-PCR(4) Immunoglobulin G(4) enrolled(4) symptomatic(4) evaluated(4) Hospital admission(4) immune dysfunction(4) reverse transcriptase(4) SARS-COV-2 infection(4) one patient(4) Immunosuppression(4) symptomatic SARS-CoV-2 infection(4) Nasopharyngeal swab(4) clinical evaluation(4)