Background and aims: the whole of humanity has experienced since December 2019 a pandemic of coronavirus disease 2019 , caused by the coronavirus. Unprecedented situation in this century especially for the DR Congo with a less equipped health system. The objective of this study is to describe the clinico-biological profile of patients hospitalized at the Cinquantenaire Hospital of Kinshasa in DR Congo. Methods: This was a retrospective, analytical and descriptive cohort study carried out among 360 patients hospitalized at the Cinquantenaire Hospital in Kinshasa from the period from April 18, 2020 to July 10, 2021. Results: The average age was 42.7 ± 12.0 years with a female predominance, 57.7% of patients were over 50 years old. Comorbidities such as hypertension, diabetes mellitus and bronchial asthma were present respectively in 25.2% and 4.2% and 12.3%. The symptomatology was dominated by cough, fever and asthenia in more than The most common biological abnormalities were as follows: increased CRP (57.7%), basocytaemia (55%), hepatic cytolysis (20.6%), elevated D-dimer (15.3%), decreased TP (17.5%) lymphopenia (16.7%), anemia (11.1%) and Hyperleukocytosis 10.6% Conclusion: COVID-19 infection should be considered as sepsis with multi-visceral involvement although the lung is first. Both biological and hematological abnormalities may be encountered.