TY - RPRT T1 - Prevalence and incidence of antibodies against SARS-CoV-2 in children and school staff measured for one year in Belgium: a sero-epidemiological prospective cohort study Y1 - 2020 A1 - Joanna Merckx A1 - Melissa Vermeulen A1 - Vandermeulen, Corinne A1 - Mathieu Roelants A1 - I Desombere A1 - Els Duysburgh KW - Belgium KW - CHILDREN KW - Coronavirus KW - COVID-19 KW - Pandemic 2020 KW - SARS-CoV-2 KW - seroprevalence study ER -