The SARS-CoV-2 S-RBD IgG Antibody Rapid Test (Fingerstick Whole Blood) is a rapid chromatographic immunoassay intended for the qualitative detection of IgG antibodies to SARS-CoV-2 spike (S) protein receptor binding domain (RBD) in human Fingerstick Whole Blood approximately 10 days after vaccination. It is intended for use as an aid in identifying individuals with an adaptive immune response to SARS-CoV-2. Results are for the detection of SARS-CoV-2 S-RBD IgG antibodies. Positive results indicate the presence of IgG antibodies to SARS-CoV-2.