inclusion criteria: * patient informed consent form (icf) signed; * m \& f aged ≥ 18 years and ≤ 64 years at the time of the signature of icf; * subjects who are willing to comply with the requirements of the study protocol, attend scheduled visits and calls for the duration of the study by telephone contact; * mild symptomatic individuals with covid-19 confirmed by polymerase chain reaction (pcr) based on who guideline (version of 27 may 2020). in the study covid-19 patient with rt-pcr ct value ≤ 30 for at least 2 genes out of 4, at the first swab will be enrolled. the enrollment of covid-19 vaccinated patients will be allowed if they will present a "clinical vaccination failure", defined according to the indications reported in the "global manual on surveillance of ae following immunization" (who guidelines). * onset of symptoms from not more than 2/3 days

inclusion criteria: * patient informed consent form (icf) signed; * m \& f aged ≥ 18 years and ≤ 64 years at the time of the signature of icf; * subjects who are willing to comply with the requirements of the study protocol, attend scheduled visits and calls for the duration of the study by telephone contact; * mild symptomatic individuals with covid-19 confirmed by polymerase chain reaction (pcr) based on who guideline (version of 27 may 2020). in the study covid-19 patient with rt-pcr ct value ≤ 30 for at least 2 genes out of 4, at the first swab will be enrolled. the enrollment of covid-19 vaccinated patients will be allowed if they will present a "clinical vaccination failure", defined according to the indications reported in the "global manual on surveillance of ae following immunization" (who guidelines). * onset of symptoms from not more than 2/3 days

inclusion criteria: patient informed consent form (icf) signed; m & f aged ≥ 18 years and ≤ 64 years at the time of the signature of icf; subjects who are willing to comply with the requirements of the study protocol, attend scheduled visits and calls for the duration of the study by telephone contact; mild symptomatic individuals with covid-19 confirmed by polymerase chain reaction (pcr) based on who guideline (version of 27 may 2020). in the study covid-19 patient with rt-pcr ct value ≤ 30 for at least 2 genes out of 4, at the first swab will be enrolled. the enrollment of covid-19 vaccinated patients will be allowed if they will present a "clinical vaccination failure", defined according to the indications reported in the "global manual on surveillance of ae following immunization" (who guidelines). onset of symptoms from not more than 2/3 days

inclusion criteria: patient informed consent form (icf) signed; m & f aged ≥ 18 years and ≤ 64 years at the time of the signature of icf; subjects who are willing to comply with the requirements of the study protocol, attend scheduled visits and calls for the duration of the study by telephone contact; mild symptomatic individuals with covid-19 confirmed by polymerase chain reaction (pcr) based on who guideline (version of 27 may 2020). in the study covid-19 patient with rt-pcr ct value ≤ 30 for at least 2 genes out of 4, at the first swab will be enrolled. the enrollment of covid-19 vaccinated patients will be allowed if they will present a "clinical vaccination failure", defined according to the indications reported in the "global manual on surveillance of ae following immunization" (who guidelines). onset of symptoms from not more than 2/3 days

inclusion criteria: - patient informed consent form (icf) signed; - m & f aged ≥ 18 years and < 64 years at the time of the signature of icf; - subjects who are willing to comply with the requirements of the study protocol, attend scheduled visits and calls for the duration of the study by telephone contact; - mild symptomatic individuals with covid-19 confirmed by polymerase chain reaction (pcr) based on who guideline (version of 27 may 2020). in the study covid-19 patient with rt-pcr ct value minor or equal 30 for at least 2 genes out of 4, at the first swab will be enrolled; - onset of symptoms from not more than 2/3 days

inclusion criteria: - patient informed consent form (icf) signed; - m & f aged ≥ 18 years and < 64 years at the time of the signature of icf; - subjects who are willing to comply with the requirements of the study protocol, attend scheduled visits and calls for the duration of the study by telephone contact; - mild symptomatic individuals with covid-19 confirmed by polymerase chain reaction (pcr) based on who guideline (version of 27 may 2020). in the study covid-19 patient with rt-pcr ct value minor or equal 30 for at least 2 genes out of 4, at the first swab will be enrolled; - onset of symptoms from not more than 2/3 days