Epidemiological Study of the Covid-19 Presto Test Among Agents of the Local Authorities of CCTVL, Region Centre Val de Loire and Orleans Métropole. Correlation of IgM Level According to Contact With the Public FRESH-PEF73915-en Raphaël SERREAU Epidemiological Study of the Covid-19 Presto Test Among Agents of the Local Authorities of CCTVL, Region Centre Val de Loire and Orleans Métropole. Correlation of IgM Level According to Contact With the Public COVIDOR FRESH-PEF73915-en 73915 FRESH-PEF73915 Raphael SERREAU Epidemiology France Portal (PEF) COLLECTIVITE TERRITORIALE null Public Health Occupational Medicine Clinical immunology Infectious disease medicine Public, environmental and occupational health COVID-19 Healthcare system determinants: Use of care Socio-demographic and economic determinants Healthcare system determinants To collect health data about conditions workers and covid-19 serology status in Orleans Metropole, Loiret District and the Centre Val de Loire Region null France Centre-Val de Loire Individuals General population Male Female Middle Aged (45 to 64 years) Ages Eligible for Study: 18 Years to 65 Years (Adult, Older Adult) Sexes Eligible for Study: All Accepts Healthy Volunteers: Yes Sampling Method: Non-Probability Sample Clinical data Participant-reported health data Biological data Socio-demographic data Other Through independent healthcare practitioners [1000-10000[ individuals Other Observational Study Observational Study Cohort study 5000 Unknown Metadata-only access Access not yet planned