Pierre Van Damme,
Philippe Beutels,
Heidi Theeten,
Niel Hens,
Lisbeth Patteet,
Jessie De Bie,
Ine Wouters,
Steven Abrams,
Sereina Herzog,
Esra Ekinci, Astrid Coppens, Sandy De Spiegeleer
This dataset contains information on seven prospective cross-sectional nationwide residual sera collection rounds. The samples were analyzed for IgG antibodies against S1 proteins of SARS-CoV-2 with a semi-quantitative commercial ELISA (EuroImmun, Luebeck, Germany). We provide a CSV file containing the following variables: code: unique sample code age_cat: age categories by 10-year age bands (0-10, 10-20, ..., 80-90, 90-Inf), the lower limit is included, e.g. 0-10 = [0,10) sex: sex (f = female, m = male) province: province of residence (11 categories) region: region of residence (3 ...