inclusion criteria: 1. subjects over 18 years old and under 80 years old. 2. positive results by rt-pcr for sars cov-2 3. clinical picture compatible with respiratory compromise in the form of pneumonia attributed to covid-19 (stage 3, 4 or 5 according to the who scale), lasting up to 72 hours from the onset of symptoms to their evaluation to be incorporated into the study. 4. patient with good disposition towards the study and that signs the informed consent.

inclusion criteria: 1. subjects over 18 years old and under 80 years old. 2. positive results by rt-pcr for sars cov-2 3. clinical picture compatible with respiratory compromise in the form of pneumonia attributed to covid-19 (stage 3, 4 or 5 according to the who scale), lasting up to 72 hours from the onset of symptoms to their evaluation to be incorporated into the study. 4. patient with good disposition towards the study and that signs the informed consent.

inclusion criteria: subjects over 18 years old and under 80 years old. positive results by rt-pcr for sars cov-2 clinical picture compatible with respiratory compromise in the form of pneumonia attributed to covid-19 (stage 3, 4 or 5 according to the who scale), lasting up to 72 hours from the onset of symptoms to their evaluation to be incorporated into the study. patient with good disposition towards the study and that signs the informed consent.

inclusion criteria: subjects over 18 years old and under 80 years old. positive results by rt-pcr for sars cov-2 clinical picture compatible with respiratory compromise in the form of pneumonia attributed to covid-19 (stage 3, 4 or 5 according to the who scale), lasting up to 72 hours from the onset of symptoms to their evaluation to be incorporated into the study. patient with good disposition towards the study and that signs the informed consent.

inclusion criteria: 1. subjects over 18 years old and under 80 years old. 2. positive results by rt-pcr for sars cov-2 3. clinical picture compatible with respiratory compromise in the form of pneumonia attributed to covid-19 (stage 3, 4 or 5 according to the who scale), lasting up to 72 hours from the onset of symptoms to their evaluation to be incorporated into the study. 4. patient with good disposition towards the study and that signs the informed consent.

inclusion criteria: 1. subjects over 18 years old and under 80 years old. 2. positive results by rt-pcr for sars cov-2 3. clinical picture compatible with respiratory compromise in the form of pneumonia attributed to covid-19 (stage 3, 4 or 5 according to the who scale), lasting up to 72 hours from the onset of symptoms to their evaluation to be incorporated into the study. 4. patient with good disposition towards the study and that signs the informed consent.

inclusion criteria: subjects over 18 years old and under 80 years old. positive results by rt-pcr for sars cov-2 clinical picture compatible with respiratory compromise in the form of pneumonia attributed to covid-19 (stage 3, 4 or 5 according to the who scale), lasting up to 72 hours from the onset of symptoms to their evaluation to be incorporated into the study. patient with good disposition towards the study and that signs the informed consent.

inclusion criteria: subjects over 18 years old and under 80 years old. positive results by rt-pcr for sars cov-2 clinical picture compatible with respiratory compromise in the form of pneumonia attributed to covid-19 (stage 3, 4 or 5 according to the who scale), lasting up to 72 hours from the onset of symptoms to their evaluation to be incorporated into the study. patient with good disposition towards the study and that signs the informed consent.

inclusion criteria: 1. subjects over 18 years old and under 80 years old. 2. positive results by rt-pcr for sars cov-2 3. clinical picture compatible with respiratory compromise in the form of pneumonia attributed to covid-19 (stage 3, 4 or 5 according to the who scale), lasting up to 72 hours from the onset of symptoms to their evaluation to be incorporated into the study. 4. patient with good disposition towards the study and that signs the informed consent.

inclusion criteria: 1. subjects over 18 years old and under 80 years old. 2. positive results by rt-pcr for sars cov-2 3. clinical picture compatible with respiratory compromise in the form of pneumonia attributed to covid-19 (stage 3, 4 or 5 according to the who scale), lasting up to 72 hours from the onset of symptoms to their evaluation to be incorporated into the study. 4. patient with good disposition towards the study and that signs the informed consent.