Phase 2 Trial Using rhDNase to Reduce Mortality in COVID-19 Patients With Respiratory Failure

Inclusion Criteria: 1. Male or Female age 18 or older 2. On high flow oxygen =/\> 6 liters nasal cannula (or) 3. On mechanical ventilation 4. Clinical diagnosis of COVID-19 \& positive PCR test (or) 5. Clinical diagnosis of COVID-19 \& negative PCR test with clinical symptoms of COVID-19 and pathognomonic lesions on a chest CT scan Exclusion Criteria: 1. Known allergy to Pulmozyme 2. Less than 18 years of age 3. Grave condition with anticipated death within 48 hours; at the discretion of treating physician. 4. Enrollment in another clinical trial receiving investigatory drugs