outpatient trial: inclusion criteria: 1. symptomatic and laboratory-confirmed diagnosis of covid-19. 2. age ≥ 30 years. 3. high risk: either age ≥70 or one of the following: male; obesity (bmi ≥30); chronic cardiovascular, respiratory or renal disease; active cancer; diabetes. 4. within 7 days (ideally 72 hours) of diagnosis, or worsening clinically.

outpatient trial: inclusion criteria: 1. symptomatic and laboratory-confirmed diagnosis of covid-19. 2. age ≥ 30 years. 3. high risk: either age ≥70 or one of the following: male; obesity (bmi ≥30); chronic cardiovascular, respiratory or renal disease; active cancer; diabetes. 4. within 7 days (ideally 72 hours) of diagnosis, or worsening clinically.

outpatient trial: inclusion criteria: symptomatic and laboratory-confirmed diagnosis of covid-19. age ≥ 30 years. high risk: either age ≥70 or one of the following: male; obesity (bmi ≥30); chronic cardiovascular, respiratory or renal disease; active cancer; diabetes. within 7 days (ideally 72 hours) of diagnosis, or worsening clinically.

outpatient trial: inclusion criteria: symptomatic and laboratory-confirmed diagnosis of covid-19. age ≥ 30 years. high risk: either age ≥70 or one of the following: male; obesity (bmi ≥30); chronic cardiovascular, respiratory or renal disease; active cancer; diabetes. within 7 days (ideally 72 hours) of diagnosis, or worsening clinically.

outpatient trial: inclusion criteria: symptomatic and laboratory-confirmed diagnosis of covid-19. age ≥18 years. high risk: either age ≥70 or one of the following: male; obesity (bmi ≥30); chronic cardiovascular, respiratory or renal disease; active cancer; diabetes. within 7 days (ideally 72 hours) of diagnosis, or worsening clinically.

outpatient trial: inclusion criteria: symptomatic and laboratory-confirmed diagnosis of covid-19. age ≥18 years. high risk: either age ≥70 or one of the following: male; obesity (bmi ≥30); chronic cardiovascular, respiratory or renal disease; active cancer; diabetes. within 7 days (ideally 72 hours) of diagnosis, or worsening clinically.

outpatient trial: inclusion criteria: 1. symptomatic and laboratory-confirmed diagnosis of covid-19. 2. age ≥18 years. 3. high risk: either age ≥70 or one of the following: male; obesity (bmi ≥30); chronic cardiovascular, respiratory or renal disease; active cancer; diabetes. 4. within 7 days (ideally 72 hours) of diagnosis, or worsening clinically.

outpatient trial: inclusion criteria: 1. symptomatic and laboratory-confirmed diagnosis of covid-19. 2. age ≥18 years. 3. high risk: either age ≥70 or one of the following: male; obesity (bmi ≥30); chronic cardiovascular, respiratory or renal disease; active cancer; diabetes. 4. within 7 days (ideally 72 hours) of diagnosis, or worsening clinically.