Dose-Finding, Safety, and Efficacy Study of XVR011 Added to Standard of Care in Patients Hospitalised for COVID-19

Inclusion Criteria: * Is ≥ 18 years of age. * Tested positive for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) by RT-PCR and/or antigen test. * Had an onset of COVID-19 symptom(s) within 8 days prior to screening; except for dyspnoea and/or tachypnoea for which an onset within 2 days prior to screening is applicable. * Requires hospitalisation for medical care. * Has oxygen saturation \>= 91%. Exclusion Criteria: * Requires non-invasive or invasive mechanical ventilation and/or intensive care. * Symptoms consistent with severe COVID-19. * Has received a monoclonal antibody, plasma from a person who recovered from COVID-19 or any investigational treatment for COVID-19 within 30 days prior to study treatment. * Has received an investigational or approved vaccination against SARS-CoV-2 within 14 days prior to study treatment. NOTE: Other protocol defined inclusion/exclusion criteria apply