inclusion criteria: has laboratory-confirmed sars-cov-2 infection as determined via polymerase chain reaction or an accepted molecular assay of any specimen, example, respiratory, blood, urine, stool, other body fluid. it has been less than 72 hours since time of the participant's hospital admission, or, if hospital acquired covid-19 is confirmed, less than 72 hours after confirmation of positive sars-cov-2 test or the onset of respiratory symptoms, whichever is first. has peripheral capillary spo2 less than or equal to 93% on room air. weighs greater than or equal to (>=) 50 kilogram (kg) and has a body mass index (bmi) 18 to 35 kilogram per square meter (kg/m^2), inclusive. female participants are post-menopausal or surgically sterile.

inclusion criteria: has laboratory-confirmed sars-cov-2 infection as determined via polymerase chain reaction or an accepted molecular assay of any specimen, example, respiratory, blood, urine, stool, other body fluid. it has been less than 72 hours since time of the participant's hospital admission, or, if hospital acquired covid-19 is confirmed, less than 72 hours after confirmation of positive sars-cov-2 test or the onset of respiratory symptoms, whichever is first. has peripheral capillary spo2 less than or equal to 93% on room air. weighs greater than or equal to (>=) 50 kilogram (kg) and has a body mass index (bmi) 18 to 35 kilogram per square meter (kg/m^2), inclusive. female participants are post-menopausal or surgically sterile.

inclusion criteria: 1. has laboratory-confirmed sars-cov-2 infection as determined via polymerase chain reaction or an accepted molecular assay of any specimen, example, respiratory, blood, urine, stool, other body fluid. 2. it has been less than 72 hours since time of the participant's hospital admission, or, if hospital acquired covid-19 is confirmed, less than 72 hours after confirmation of positive sars-cov-2 test or the onset of respiratory symptoms, whichever is first. 3. has peripheral capillary spo2 less than or equal to 93% on room air. 4. weighs greater than or equal to (>=) 50 kilogram (kg) and has a body mass index (bmi) 18 to 35 kilogram per square meter (kg/m^2), inclusive. 5. female participants are post-menopausal or surgically sterile.

inclusion criteria: 1. has laboratory-confirmed sars-cov-2 infection as determined via polymerase chain reaction or an accepted molecular assay of any specimen, example, respiratory, blood, urine, stool, other body fluid. 2. it has been less than 72 hours since time of the participant's hospital admission, or, if hospital acquired covid-19 is confirmed, less than 72 hours after confirmation of positive sars-cov-2 test or the onset of respiratory symptoms, whichever is first. 3. has peripheral capillary spo2 less than or equal to 93% on room air. 4. weighs greater than or equal to (>=) 50 kilogram (kg) and has a body mass index (bmi) 18 to 35 kilogram per square meter (kg/m^2), inclusive. 5. female participants are post-menopausal or surgically sterile.