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Comparison of the sensitivity of the NP, RBD, and NP/RBD antibody ELISA
| Time post infection | ||||||
|---|---|---|---|---|---|---|
| > 4 weeks | 4–10 weeks | 6 months | ||||
| ELISA | RBDa | NP/RBD | RBD | NP/RBD | RBD | NP/RBD |
| NP | 0.049b* | 0.0009* | 1 | 0.5 | 0.0413* | 0.0002* |
| RBD | x | 0.687 | x | 1 | x | 0.453 |
aRBD, receptor-binding domain; NP, nucleoprotein
bp-values. Sensitivity values from Table 1 were compared with the exact binomial test. An asterisk indicates statistical significance at a significance level of 0.05
