inclusion criteria: * agreement to participate in the study by signing the prior informed consent. * age over 18 years. * inpatient with rt-pcr confirmation of sars-cov-2. * period of onset of symptoms related to covid-19 not greater than 10 days * presence of at least 2 documented risk factors * moderate and severe clinical presentation of the disease.

inclusion criteria: * agreement to participate in the study by signing the prior informed consent. * age over 18 years. * inpatient with rt-pcr confirmation of sars-cov-2. * period of onset of symptoms related to covid-19 not greater than 10 days * presence of at least 2 documented risk factors * moderate and severe clinical presentation of the disease.

inclusion criteria: - agreement to participate in the study by signing the prior informed consent. - age over 18 years. - inpatient with rt-pcr confirmation of sars-cov-2. - period of onset of symptoms related to covid-19 not greater than 10 days - presence of at least 2 documented risk factors - moderate and severe clinical presentation of the disease.

inclusion criteria: - agreement to participate in the study by signing the prior informed consent. - age over 18 years. - inpatient with rt-pcr confirmation of sars-cov-2. - period of onset of symptoms related to covid-19 not greater than 10 days - presence of at least 2 documented risk factors - moderate and severe clinical presentation of the disease.