Shop Print Media, No drawers, 92% Polyester / 8% Spandex, 2 Level 1 (Abnormal) 120 mL Bottles, 2 Level 2 (Normal with hCG) 120 mL Bottles, For use in Monitoring the Performance of the Vitros Immunodiagnostic and Integrated Systems when used for the Determination of IgG Antibodies to SARS-CoV-2