TABLE 3.
Serological assays using viral spike protein to diagnose SARS-CoV-2 infection.
| Test/kit | Assay type | Manufacturer | Sample source | Target protein | Country of approval |
| Wantai SARS-CoV-2 | Chromatographic lateral flow assay | Beijing Wantai Biological Pharmacy | Serum/plasma/whole blood | N protein, S1 and S2 subunits of S protein | Australia |
| Rapid SARS-CoV-2 antigen detection test | Antigen-based LFIA | Sona Nanotech | Nasal or oropharyngeal swabs | S1 domain of spike protein | Canada, Nova Scotia |