Overview Effect of Vitamin D on Hospitalized Adults With COVID-19 Infection Status: Recruiting Trial end date: 2022-02-28 Target enrollment: Participant gender: Summary The objective of the study is to evaluate the clinical efficacy and safety of vitamin D supplementation in hospitalized patients with COVID-19. Phase: Phase 4 Details Lead Sponsor: University of LiegeCollaborator: Laboratoires SMB S.A.Treatments: Cholecalciferol