inclusion criteria: 1. either patients over 50 years of age with at least one comorbidity (hypertension, diabetes, obesity, cancer, chronic renal disease, immunodeficiency) or patients over 70 years of age with or without comorbidity 2. laboratory (pcr-) proved infection by covid-19 or radiological sign highly suggestive of covid-19 3. respiratory symptoms (cough, chest discomfort, dyspnea) 4. affiliation to the social security network 5. able to understand and sign a written informed consent form

inclusion criteria: 1. either patients over 50 years of age with at least one comorbidity (hypertension, diabetes, obesity, cancer, chronic renal disease, immunodeficiency) or patients over 70 years of age with or without comorbidity 2. laboratory (pcr-) proved infection by covid-19 or radiological sign highly suggestive of covid-19 3. respiratory symptoms (cough, chest discomfort, dyspnea) 4. affiliation to the social security network 5. able to understand and sign a written informed consent form

inclusion criteria: either patients over 50 years of age with at least one comorbidity (hypertension, diabetes, obesity, cancer, chronic renal disease, immunodeficiency) or patients over 70 years of age with or without comorbidity laboratory (pcr-) proved infection by covid-19 or radiological sign highly suggestive of covid-19 respiratory symptoms (cough, chest discomfort, dyspnea) affiliation to the social security network able to understand and sign a written informed consent form

inclusion criteria: either patients over 50 years of age with at least one comorbidity (hypertension, diabetes, obesity, cancer, chronic renal disease, immunodeficiency) or patients over 70 years of age with or without comorbidity laboratory (pcr-) proved infection by covid-19 or radiological sign highly suggestive of covid-19 respiratory symptoms (cough, chest discomfort, dyspnea) affiliation to the social security network able to understand and sign a written informed consent form

inclusion criteria: 1. either patients over 50 years of age with at least one comorbidity (hypertension, diabetes, obesity, cancer, chronic renal disease, immunodeficiency) or patients over 70 years of age with or without comorbidity 2. laboratory (pcr-) proved infection by covid-19 or radiological sign highly suggestive of covid-19 3. respiratory symptoms (cough, chest discomfort, dyspnea) 4. affiliation to the social security network 5. able to understand and sign a written informed consent form

inclusion criteria: 1. either patients over 50 years of age with at least one comorbidity (hypertension, diabetes, obesity, cancer, chronic renal disease, immunodeficiency) or patients over 70 years of age with or without comorbidity 2. laboratory (pcr-) proved infection by covid-19 or radiological sign highly suggestive of covid-19 3. respiratory symptoms (cough, chest discomfort, dyspnea) 4. affiliation to the social security network 5. able to understand and sign a written informed consent form