- pre-existing chronic respiratory condition(s), obstructive or restrictive, for which the patient is actively taking concomitant medication are excluded. patients with history of idiopathic pulmonary fibrosis (ipf), lung cancer, pulmonary arterial hypertension, other interstitial lung diseases, severe cardiac insufficiency (grade iv) are excluded irrespective of whether they are actively being medicated for those conditions or not. - pre-existing co-morbid conditions preventing outcome assessments, e.g., neurological, medical, orthopedic injury/disability, disease or condition that would prevent ability to transfer and walk for 6 minutes, prior to confirmed covid-19 diagnosis - unstable angina or myocardial infarction in the last month prior to screening - patients on mv, ecmo, niv, and/or hfno within the last 72 hours prior to screening

- pre-existing chronic respiratory condition(s), obstructive or restrictive, for which the patient is actively taking concomitant medication are excluded. patients with history of idiopathic pulmonary fibrosis (ipf), lung cancer, pulmonary arterial hypertension, other interstitial lung diseases, severe cardiac insufficiency (grade iv) are excluded irrespective of whether they are actively being medicated for those conditions or not. - pre-existing co-morbid conditions preventing outcome assessments, e.g., neurological, medical, orthopedic injury/disability, disease or condition that would prevent ability to transfer and walk for 6 minutes, prior to confirmed covid-19 diagnosis - unstable angina or myocardial infarction in the last month prior to screening - patients on mv, ecmo, niv, and/or hfno within the last 72 hours prior to screening