inclusion criteria: 1. men or women ≥18 years. if you are a woman of childbearing age, you must agree to practice abstinence or to use an effective method of contraception during the study period. 2. vascular access suitable for administration of hemocomponents. 3. sars-cov-2 positive rt-pcr. 4. negative pregnancy test in case of a woman of reproductive age 5. signing of evidentiary document of informed consent. 6. hospital admission for sars-cov-2 pneumonia with supplemental oxygen requirements. 7. subjects who access the storage of biological samples for future examination.

inclusion criteria: 1. men or women ≥18 years. if you are a woman of childbearing age, you must agree to practice abstinence or to use an effective method of contraception during the study period. 2. vascular access suitable for administration of hemocomponents. 3. sars-cov-2 positive rt-pcr. 4. negative pregnancy test in case of a woman of reproductive age 5. signing of evidentiary document of informed consent. 6. hospital admission for sars-cov-2 pneumonia with supplemental oxygen requirements. 7. subjects who access the storage of biological samples for future examination.

inclusion criteria: men or women ≥18 years. if you are a woman of childbearing age, you must agree to practice abstinence or to use an effective method of contraception during the study period. vascular access suitable for administration of hemocomponents. sars-cov-2 positive rt-pcr. negative pregnancy test in case of a woman of reproductive age signing of evidentiary document of informed consent. hospital admission for sars-cov-2 pneumonia with supplemental oxygen requirements. subjects who access the storage of biological samples for future examination.

inclusion criteria: men or women ≥18 years. if you are a woman of childbearing age, you must agree to practice abstinence or to use an effective method of contraception during the study period. vascular access suitable for administration of hemocomponents. sars-cov-2 positive rt-pcr. negative pregnancy test in case of a woman of reproductive age signing of evidentiary document of informed consent. hospital admission for sars-cov-2 pneumonia with supplemental oxygen requirements. subjects who access the storage of biological samples for future examination.

inclusion criteria: 1. men or women ≥18 years. if you are a woman of childbearing age, you must agree to practice abstinence or to use an effective method of contraception during the study period. 2. vascular access suitable for administration of hemocomponents. 3. sars-cov-2 positive rt-pcr. 4. negative pregnancy test in case of a woman of reproductive age 5. signing of evidentiary document of informed consent. 6. hospital admission for sars-cov-2 pneumonia with supplemental oxygen requirements. 7. subjects who access the storage of biological samples for future examination.

inclusion criteria: 1. men or women ≥18 years. if you are a woman of childbearing age, you must agree to practice abstinence or to use an effective method of contraception during the study period. 2. vascular access suitable for administration of hemocomponents. 3. sars-cov-2 positive rt-pcr. 4. negative pregnancy test in case of a woman of reproductive age 5. signing of evidentiary document of informed consent. 6. hospital admission for sars-cov-2 pneumonia with supplemental oxygen requirements. 7. subjects who access the storage of biological samples for future examination.