“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.
[Learn more]CASD now hosts SSMSI’s statistical databases on recorded crime (2016–2024), covering offences, victims and suspects — researchers can apply for access at cdap.casd.eu.
EDDI 2026, the 18th European DDI Users Conference, will be held in person in Brussels from November 30 to December 4, 2026 — with tutorials, conference sessions and a hackathon — and the call for proposals is now open.
CASD had the honour of attending the Constances and Gazel Cohorts Scientific Day on May 26, 2026, where the teams’ innovative work producing health and environment data — and the research built upon it — proved highly impressive.
The Scientific Advisory Board met on May 13 to discuss data documentation progress, a pilot for less sensitive data processing, health-environment research projects, and the potential impact of US data access restrictions on researchers.
Join CASD’s next Data Tech session on June 23, 2026 for a hands-on exploration of DuckDB — covering its architecture, syntax, memory management, window functions and extensions.





