Inclusion Criteria:  • Having been eligible, enrolled and randomized in the parent FERMIN trial, completing all study procedures up to the 30-day time point (as specified in the parent protocol).  Exclusion Criteria  Prisoners/incarcerated individuals; Pregnancy (potentially eligible patients of reproductive age will undergo a pregnancy test). This exclusion is due to the fact that pregnancy may confound the various cardiopulmonary phenotypes assessed in this study Inability to provide informed consent. History of cardiovascular disease (defined as heart failure, myocardial infarction, coronary revascularization, serious arrhythmia, stroke, or peripheral artery disease), glomerular disease or polycystic kidney disease prior to the index COVID-19 episode. Estimated glomerular filtration rate <30 mL/min/1.73m2 prior to the index COVID-19 episode.