COVID-19(52) Patient(20) SARS-CoV-2(14) disease(13) risk factor(13) Treatment(13) patients(12) reported(11) analyzed(11) SARS-CoV-2.(11) Mortality(11) IBD(9) endoscopy(9) Hospitalization(9) Symptom(9) Chronic Hepatitis B(9) Inflammatory bowel disease(9) incidence(8) Hepatitis B virus(8) therapy(8) COVID-19 pandemic(7) Italy(7) Liver damage(7) Infection(7) Liver injury(7) patients treated(7) age(7) affected(7) coronavirus(6) required(6)