key inclusion criteria: - hospitalized or in a hospital-affiliated confinement facility - sars-cov-2 positive - initial covid-19 symptom onset within 5 days prior to screening - spo2 ≥ 93% on room air or requires ≤ 2l/min oxygen by nasal cannula or mask to maintain spo2 ≥ 93% - must also have a history of at least one of the following known risk factors for poor outcomes: obesity (bmi>30), hypertension, diabetes or asthma. key

key inclusion criteria: - hospitalized or in a hospital-affiliated confinement facility - sars-cov-2 positive - initial covid-19 symptom onset within 5 days prior to screening - spo2 ≥ 93% on room air or requires ≤ 2l/min oxygen by nasal cannula or mask to maintain spo2 ≥ 93% - must also have a history of at least one of the following known risk factors for poor outcomes: obesity (bmi>30), hypertension, diabetes or asthma. key