inclusion criteria: - positive for covid-19 by an approved antigen test - progressive disease suggestive of ongoing covid-19 infection - requires hospitalization for acute medical care - provides written informed consent - willing to follow contraception guidelines during study

inclusion criteria: - positive for covid-19 by an approved antigen test - progressive disease suggestive of ongoing covid-19 infection - requires hospitalization for acute medical care - provides written informed consent - willing to follow contraception guidelines during study