TY - RPRT T1 - SARS-CoV-2 seroprevalence among nursing home staff and residents in Belgium: Protocol Y1 - 2021 A1 - Eline Meyers A1 - Piet Cools A1 - Deschepper, Ellen A1 - An De Sutter A1 - Els Duysburgh A1 - Stefan Heytens KW - COVID-19 KW - nursing homes KW - SARS-CoV-2 KW - sero-prevalence study CY - Ghent, Belgium ER -