The Meso Scale Discovery SARS-CoV-2 Multi-Antigen Serology Panel is a multiplex assay that simultaneously measures antibodies to four SARS-CoV-2 antigens spike protein receptor binding domain (RBD) spike protein S1 spike protein S2 and nucleocapsid protein This assay allows for sensitive and specific detection of antibodies indicating previous or current SARS-CoV-2 infection The panel is for research use only and is not for use in diagnostic procedures It utilizes MSD s electrochemiluminescence technology for high sensitivity and wide dynamic range The panel includes all necessary reagents and can process 90 tests when using a standard MSD instrument