≥ 18 years old Patients with definitive diagnosis of Covid-19 Hospitalization in non-intensive care unit dyspnea according to the patient O2-saturation <93% recorded by a pulse oximeter.

≥ 18 years old Patients with definitive diagnosis of Covid-19 Hospitalization in non-intensive care unit dyspnea according to the patient O2-saturation <93% recorded by a pulse oximeter.