inclusion criteria: - ability to understand the hip and sign the study ic - male or female =/> 18 years - patient hospitalized with a covid-19 diagnosis by pcr on nasopharyngeal swabs or any other biological sample. - presence of respiratory symptoms and / or fever associated with covid-19, with clinical evolution time for covid-19 equal to or less than 7 days. - presence of pneumonia on chest x-ray and / or sato2 <94% aa. - sequential organ failure assessment (sofa) score ≤ 6. - accept the condition of complying with the procedures established in the protocol.

inclusion criteria: - ability to understand the hip and sign the study ic - male or female =/> 18 years - patient hospitalized with a covid-19 diagnosis by pcr on nasopharyngeal swabs or any other biological sample. - presence of respiratory symptoms and / or fever associated with covid-19, with clinical evolution time for covid-19 equal to or less than 7 days. - presence of pneumonia on chest x-ray and / or sato2 <94% aa. - sequential organ failure assessment (sofa) score ≤ 6. - accept the condition of complying with the procedures established in the protocol.