ACE and heart failure: Variables that we examined and were not found to add value beyond those included in our final model for predicting hospitalization included exposure to COVID 19, other family members with COVID-19, fever, fatigue, sputum production, flu-like symptoms, recent international travel, coronary artery disease, heart failure, on immunosuppressive treatment, other heart disease, other lung disease, pneumovax vaccine, BUN, on angiotensin converting enzyme inhibitor, angiotensin receptor blocker, toremifene, and paroxetine.