Clinical Response on Day 11: Percentage of patients with 2 points improvement or becoming asymptomatic on the modified ordinal scale for clinical improvement at Day 11 for two treatment arms <br/ >Clinical Response on day 6 in Non-hospitalized Patients (Co-primary endpoint): Percentages of patients with 2 points improvement or becoming asymptomatic on the modified ordinal scale for clinical improvement at Day 6 in non-hospitalized patient between the two treatment arms.Timepoint: Clinical Response on Day 6 and Day 11

Clinical Response on Day 11: Percentage of patients with 2 points improvement or becoming asymptomatic on the modified ordinal scale for clinical improvement at Day 11 for two treatment arms <br/ >Clinical Response on day 6 in Non-hospitalized Patients (Co-primary endpoint): Percentages of patients with 2 points improvement or becoming asymptomatic on the modified ordinal scale for clinical improvement at Day 6 in non-hospitalized patient between the two treatment arms.Timepoint: Clinical Response on Day 6 and Day 11

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Percentage of patients with 2 points improvement or becoming asymptomatic (Grade 2 or less) on the modified ordinal scale for clinical improvement at Day 11 for two treatment armsTimepoint: Clinical Response on Day 11

Percentage of patients with 2 points improvement or becoming asymptomatic (Grade 2 or less) on the modified ordinal scale for clinical improvement at Day 11 for two treatment armsTimepoint: Clinical Response on Day 11