1. Severe patients over 19 years of age, with a confirmed diagnosis by PCR-RT of infection by the SARS-CoV-2 virus.2. Patients with less than 10 days of evolution since the onset of symptoms.3. Patient who gives his informed consent.

1. Severe patients over 19 years of age, with a confirmed diagnosis by PCR-RT of infection by the SARS-CoV-2 virus.2. Patients with less than 10 days of evolution since the onset of symptoms.3. Patient who gives his informed consent.

1. Severe patients aged between 19 and 75 years, with a confirmed diagnosis by RT-PCR of infection by the SARS-CoV-2 virus.2. Patients with less than 10 days of evolution since the onset of symptoms.3. Patient who gives his informed consent.

1. Severe patients aged between 19 and 75 years, with a confirmed diagnosis by RT-PCR of infection by the SARS-CoV-2 virus.2. Patients with less than 10 days of evolution since the onset of symptoms.3. Patient who gives his informed consent.