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