The SARS-CoV-2 Neutralizing antibody Test Kit(LFIA) is suitable for in vitro qualitative detection of SARS-CoV-2 neutralizing antibodies in human serum, plasma, or whole blood samples (capillary or venous) including samples prepared by commonly-used anticoagulants (K2EDTA, Na Citrate, Li-Heparin) from vaccinated individuals and recovered people.