The V-PLEX SARS-CoV-2 Panel 22 (IgA) Kit is a multiplex serology assay for antibodies to six RBD antigens from variants of SARS-CoV-2, including the Alpha, Beta, Gamma, Delta, and Omicron variants. Panel 22 has RBD antigens from the following lineages: A (WT), (AY.3; AY.4; AY.4.2; AY.5; AY.6; AY.7; AY.12; AY.14; B.1.617.2; B.1.617.2+ΔY144), (B.1.1.529; BA.1; BA.1.15), (B.1.1.7), (B.1.351; B.1.351), and (P.1).