| Abbreviations | |
| CLIA | Chemiluminescent Immunoassay |
| CMIA | Chemiluminescent Microparticle Immunoassay |
| ECLIA | Electrochemiluminescence Immunoassay |
| ELFA | Enzyme-linked Fluorescent Assay |
| ELISA | Enzyme-linked Immunosorbent Assay |
| NA | Not applicable |
| NCP | Nucleocapsid Protein |
| NP | Nasopharyngeal |
| OP | Oropharyngeal |
| RBD | Receptor-binding Domain |
| S | Spike Protein |
| S1 & S2 | S1 & S2 subunit |