Corona Immunitas Phases 1 to 4 - Central Database

Corona Immunitas was a Switzerland-wide, population-based SARS-CoV-2 study, assessing the seroprevalence and other study outcomes over six phases, starting in 2020 and ending in 2023. This entry describes the central database of study phases 1 to 4. Study phases 5 and 6 have been described elsewhere. This entry consists of the documentation of the database, the guide how to get access to the data, the description of available variables, and wording of survey questions, where applicable.Supporters (ordered alphabetically): Cantons of Basel-Landschaft, Basel-Stadt and Vaud CSS Versicherung Economiesuisse Ernst Göhner Stiftung Frontiers Helsana Versicherung Swiss Federal Office of Public Health Swiss School of Public Health (SSPH+) Symphasis Takeda ViiV Healthcare Zürcher Handelskammer Zürich Versicherun