Data from Constances à l’honneur in Le Monde of 10 February 2021

“Sars-Cov2 was probably in circulation in France as early as November 2019. This is what the retrospective analysis of the data from the Bio-banque de Constance shows. Other results on the feeling of loneliness among young people during confinement, also to be found on the Constances website (link), are the large French cohort in the general reference population for which the CASD provides secure bubbles for data management and analysis processing.