inclusion criteria: positive pcr fpr sars-cov-2 intensive care unit admission for less than 3 days moderate acute respiratory distress (berlin criteria definition with 100 mmhg < pao2/fio2 ≤ 200 mmhg) male or female, aged 18 to 70 years old signed informed consent by the patient or by a legal representative (in this case, can be obtained by phone, although it must be confirmed in writing later, accepted by email)

inclusion criteria: positive pcr fpr sars-cov-2 intensive care unit admission for less than 3 days moderate acute respiratory distress (berlin criteria definition with 100 mmhg < pao2/fio2 ≤ 200 mmhg) male or female, aged 18 to 70 years old signed informed consent by the patient or by a legal representative (in this case, can be obtained by phone, although it must be confirmed in writing later, accepted by email)

inclusion criteria: 1. positive pcr fpr sars-cov-2 2. intensive care unit admission for less than 3 days 3. moderate acute respiratory distress (berlin criteria definition with 100 mmhg < pao2/fio2 ≤ 200 mmhg) 4. male or female, aged 18 to 70 years old 5. signed informed consent by the patient or by a legal representative (in this case, can be obtained by phone, although it must be confirmed in writing later, accepted by email)

inclusion criteria: 1. positive pcr fpr sars-cov-2 2. intensive care unit admission for less than 3 days 3. moderate acute respiratory distress (berlin criteria definition with 100 mmhg < pao2/fio2 ≤ 200 mmhg) 4. male or female, aged 18 to 70 years old 5. signed informed consent by the patient or by a legal representative (in this case, can be obtained by phone, although it must be confirmed in writing later, accepted by email)