inclusion criteria: - men and women age 18 or older - hospitalized and requiring medical care for covid-19 - presenting respiratory failure cause by covid 19 requiring oxygen and/or mechanical ventilation support - with radiographic evidence of pulmonary infiltrate - able to give informed consent or, if unable to do so regarding the medical condition, having relatives able of consenting for the patient

inclusion criteria: - men and women age 18 or older - hospitalized and requiring medical care for covid-19 - presenting respiratory failure cause by covid 19 requiring oxygen and/or mechanical ventilation support - with radiographic evidence of pulmonary infiltrate - able to give informed consent or, if unable to do so regarding the medical condition, having relatives able of consenting for the patient