1. unable to self quarantine for 72 hours if in the cpap arm 2. preexisting pulmonary diseases such as advanced copd, advanced parenchymal lung disease, history of pneumothorax etc. 3. claustrophobic and unable to tolerate cpap mask 4. evidence of hypercapnia 5. recent heart of lung surgery within 3 months 6. individuals without access to smart phones or wireless connection or internet access 7. prior history of aspiration 8. speech or swallowing impairment (risk of aspiration) 9. history of stroke with significant neurologic deficit 10. advanced symptomatic heart failure 11. unable to provide informed consent 12. household with young children and child care responsibilities 13. household with high-risk individuals (defined as over 60 or with comorbidities (e.g. heart disease, diabetes, pulmonary))

1. unable to self quarantine for 72 hours if in the cpap arm 2. preexisting pulmonary diseases such as advanced copd, advanced parenchymal lung disease, history of pneumothorax etc. 3. claustrophobic and unable to tolerate cpap mask 4. evidence of hypercapnia 5. recent heart of lung surgery within 3 months 6. individuals without access to smart phones or wireless connection or internet access 7. prior history of aspiration 8. speech or swallowing impairment (risk of aspiration) 9. history of stroke with significant neurologic deficit 10. advanced symptomatic heart failure 11. unable to provide informed consent 12. household with young children and child care responsibilities 13. household with high-risk individuals (defined as over 60 or with comorbidities (e.g. heart disease, diabetes, pulmonary))

unable to self quarantine for 72 hours if in the cpap arm preexisting pulmonary diseases such as advanced copd, advanced parenchymal lung disease, history of pneumothorax etc. claustrophobic and unable to tolerate cpap mask evidence of hypercapnia recent heart of lung surgery within 3 months individuals without access to smart phones or wireless connection or internet access prior history of aspiration speech or swallowing impairment (risk of aspiration) history of stroke with significant neurologic deficit advanced symptomatic heart failure unable to provide informed consent household with young children and child care responsibilities household with high-risk individuals (defined as over 60 or with comorbidities (e.g. heart disease, diabetes, pulmonary))

unable to self quarantine for 72 hours if in the cpap arm preexisting pulmonary diseases such as advanced copd, advanced parenchymal lung disease, history of pneumothorax etc. claustrophobic and unable to tolerate cpap mask evidence of hypercapnia recent heart of lung surgery within 3 months individuals without access to smart phones or wireless connection or internet access prior history of aspiration speech or swallowing impairment (risk of aspiration) history of stroke with significant neurologic deficit advanced symptomatic heart failure unable to provide informed consent household with young children and child care responsibilities household with high-risk individuals (defined as over 60 or with comorbidities (e.g. heart disease, diabetes, pulmonary))

1. unable to self quarantine for 72 hours if in the cpap arm 2. preexisting pulmonary diseases such as advanced copd, advanced parenchymal lung disease, history of pneumothorax etc. 3. claustrophobic and unable to tolerate cpap mask 4. evidence of hypercapnia 5. recent heart of lung surgery within 3 months 6. individuals without access to smart phones or wireless connection or internet access 7. prior history of aspiration 8. speech or swallowing impairment (risk of aspiration) 9. history of stroke with significant neurologic deficit 10. advanced symptomatic heart failure 11. unable to provide informed consent 12. household with young children and child care responsibilities 13. household with high-risk individuals (defined as over 60 or with comorbidities (e.g. heart disease, diabetes, pulmonary))

1. unable to self quarantine for 72 hours if in the cpap arm 2. preexisting pulmonary diseases such as advanced copd, advanced parenchymal lung disease, history of pneumothorax etc. 3. claustrophobic and unable to tolerate cpap mask 4. evidence of hypercapnia 5. recent heart of lung surgery within 3 months 6. individuals without access to smart phones or wireless connection or internet access 7. prior history of aspiration 8. speech or swallowing impairment (risk of aspiration) 9. history of stroke with significant neurologic deficit 10. advanced symptomatic heart failure 11. unable to provide informed consent 12. household with young children and child care responsibilities 13. household with high-risk individuals (defined as over 60 or with comorbidities (e.g. heart disease, diabetes, pulmonary))