Safety and tolerability of multiple doses of IV administrations of AV-001 Injection compared with AV-001 placebo Injection in hospitalized patients with pneumonia due to COVID-19 and/or other respiratory infections.

Safety and tolerability of multiple doses of IV administrations of AV-001 Injection compared with AV-001 placebo Injection in hospitalized patients with pneumonia due to COVID-19 and/or other respiratory infections.

Safety and tolerability of multiple doses of IV administrations of AV-001 Injection compared with AV-001 placebo Injection in hospitalized patients with severe COVID-19 disease.

Safety and tolerability of multiple doses of IV administrations of AV-001 Injection compared with AV-001 placebo Injection in hospitalized patients with severe COVID-19 disease.