Epidemiological Study of Seroprevalence Against the SARS-CoV-2 Virus (COVID-19)

"Each inhabitant who agrees to participate will have to :~* sign the consent form after receiving complete information~* complete a questionnaire exploring sociodemographic (gender, age, professional activity...), medical (anthropometric measures, health problems, smoking...), potential contacts with COVID-19 and symptoms.~* take a blood sample for the dermination of anti-SARS-CoV-2 IgT seropositivity of the individuals tested in the population of the Grand Nancy Metropolitan area (GNM)."