inclusion criteria: - 18 years of age or older - covid-19 positive by pcr or assay within 72 hours or less - oxygen saturation of ≤94% on room air or requiring supplemental oxygen at screening

inclusion criteria: - 18 years of age or older - covid-19 positive by pcr or assay within 72 hours or less - oxygen saturation of ≤94% on room air or requiring supplemental oxygen at screening