All patients admitted in our ICU since august 2020 were enrolled in the study, after they have been informed and given their consent for their participation in this observational study. Data will be collected computerized patient records by the clinicians in charge of the patient.
Because of variants emergence, the investigators decided to had a second period from march to july. The investigators anticipate an inclusion of approximately 1000 patients.
In an observational study, there is no risk to the patient
