â?¢ Proportion of patients in the metformin; atorvastatin; metformin + atorvastatin; and standard-of-care arms getting admitted (hospitalized) in the next 4 weeks. <br/ >â?¢ Proportion of patients in the metformin; atorvastatin; metformin + atorvastatin; and standard-of-care arms with SpO2 declining to 93% or lower in the next 4 weeks.Timepoint: weekly for the next 4 weeks

â?¢ Proportion of patients in the metformin; atorvastatin; metformin + atorvastatin; and standard-of-care arms getting admitted (hospitalized) in the next 4 weeks. <br/ >â?¢ Proportion of patients in the metformin; atorvastatin; metformin + atorvastatin; and standard-of-care arms with SpO2 declining to 93% or lower in the next 4 weeks.Timepoint: weekly for the next 4 weeks