The initial response to treatment will be evaluated during admission. Cure is considered when 3 criteria are present: (1) O2 sat > 94% with room air (2) 24 hours without fever (≥38°C) (3) Breathing frequency < 24/min The percentage of patients with clinical cure at day 7 will be calculated The initial response to treatment will be evaluated during admission. Cure is considered when 3 criteria are present: (1) O2 sat > 94% with room air (2) 24 hours without fever (≥38°C) (3) Breathing frequency < 24/min The percentage of patients with clinical cure at day 7 will be calculated

The initial response to treatment will be evaluated during admission. Cure is considered when 3 criteria are present: (1) O2 sat > 94% with room air (2) 24 hours without fever (≥38°C) (3) Breathing frequency < 24/min The percentage of patients with clinical cure at day 7 will be calculated The initial response to treatment will be evaluated during admission. Cure is considered when 3 criteria are present: (1) O2 sat > 94% with room air (2) 24 hours without fever (≥38°C) (3) Breathing frequency < 24/min The percentage of patients with clinical cure at day 7 will be calculated