inclusion criteria: 1. age ≥ 18 2. clinical diagnosis of pneumonia, severe or critical, caused by covid-19 infection 3. life expectancy \> 48 hours. 4. commitment to use a contraceptive method of proven efficacy in both men and women during the duration of the clinical trial.

inclusion criteria: 1. age ≥ 18 2. clinical diagnosis of pneumonia, severe or critical, caused by covid-19 infection 3. life expectancy \> 48 hours. 4. commitment to use a contraceptive method of proven efficacy in both men and women during the duration of the clinical trial.

inclusion criteria: age ≥ 18 clinical diagnosis of pneumonia, severe or critical, caused by covid-19 infection life expectancy > 48 hours. commitment to use a contraceptive method of proven efficacy in both men and women during the duration of the clinical trial.

inclusion criteria: age ≥ 18 clinical diagnosis of pneumonia, severe or critical, caused by covid-19 infection life expectancy > 48 hours. commitment to use a contraceptive method of proven efficacy in both men and women during the duration of the clinical trial.

inclusion criteria: 1. age ≥ 18 2. clinical diagnosis of pneumonia, severe or critical, caused by covid-19 infection 3. life expectancy > 48 hours. 4. commitment to use a contraceptive method of proven efficacy in both men and women during the duration of the clinical trial.

inclusion criteria: 1. age ≥ 18 2. clinical diagnosis of pneumonia, severe or critical, caused by covid-19 infection 3. life expectancy > 48 hours. 4. commitment to use a contraceptive method of proven efficacy in both men and women during the duration of the clinical trial.