SARS-CoV-2 seroprevalence study in the blood donor population FRESH-PEF73556-en Pierre GALLIAN SARS-CoV-2 seroprevalence study in the blood donor population COVIDonneur FRESH-PEF73556-en 73556 FRESH-PEF73556 Pierre GALLIAN ETABLISSEMENT FRANCAIS DU SANG (EFS) Epidemiology France Portal (PEF) AGENCE NATIONALE DE LA RECHERCHE (ANR) null blood donors serology prevalence SARS-CoV-2 Infectious disease medicine COVID-19 Estimate the seroprevalence of SARS-CoV-2 infection in the French blood donor population (18-70 years) in different geographical zones (mainland France and overseas departments), at different times in the epidemic, so as to model the progression of the epidemic null France Individuals General population Male Female Young Adult (19 to 24 years) Adult (25 to 44 years) Middle Aged (45 to 64 years) Aged (65 to 79 years) Accepted blood donors aged 18 to 70 years. in the geographical zones of interest having agreed to the use of their samples for research Plasma samples > 500 µL in volume Biological data Socio-demographic data Other [10000-20000[ individuals Converting or copying information into a structured record Interview with the participant (including clinical) Observational Study Observational Study Cohort study Unknown To be defined