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Summary of assay performance according to manufacturer specifications
| Assay | Sensitivity (% [95% CI]) | Specificity (% [95% CI]) |
|---|---|---|
| Abbott SARS-CoV-2 IgG | 100 (95.8–100) | 99.6 (99.0–99.9) |
| Roche Anti-SARS-CoV-2 | 100 (88.3–100) | 99.8 (99.7–99.9) |
| Wantai SARS-CoV-2 Antibody ELISA | 96.7 (83.3–99.4) | 97.5 (91.3–99.3) |
