Mitoquinone/Mitoquinol Mesylate as Oral and Safe Postexposure Prophylaxis for Covid-19

Inclusion Criteria: Age 18-65 years old Asymptomatic (no symptoms of viral infection) on study entry High risk exposure without use of masks to confirmed case of COVID-19 Members in a household one of which is a confirmed case of COVID-19 Negative baseline SARS-COV-2 diagnostic test Exclusion Criteria: * Women with variations in physiological functions due to hormones that may effect immune function and (transgender, pregnant, breastfeeding) * Specific significant clinical diseases \[cardiovascular disease (such as coronary artery/vascular disease), heart disease (such as congestive heart failure, cardiomyopathy, atrial fibrillation), lung disease (such as chronic obstructive pulmonary disease, asthma, bronchiectasis, pulmonary fibrosis, pleural effusions), kidney disease (glomerular filtration rate or GFR less than 60 ml/min/1.73 m2), liver disease (such as cirrhosis, hepatitis), major immunosuppression (such as history of transplantation, uncontrolled HIV infection, cancer on active chemotherapy\] based on history. Participants with well controlled HIV (CD4 count \> 500 cells/mm\^3 and HIV viral load \< 50 copies/ml) and people with remote history of cancer not on active treatment will be allowed to participate. * History of known gastrointestinal disease (such as gastroparesis) that may predispose patients to nausea * History of auto-immune diseases * Chronic viral hepatitis * Use of systemic immunomodulatory medications (e.g. steroids) within 4 weeks of enrollment * An…