Volume 10, Number 9—September 2004
Research
SARS Antibody Test for Serosurveillance
Table 1
Sensitivity of peptide-based SARS-CoV ELISA from two patients at NTUa
| Patient/day | A450nm | S/C ratio |
|---|---|---|
| SARS patient 1 | ||
| Day 0 | 0.119 | 0.44 |
| Day 11 | 1.638 | 6.09 |
| Day 17 | 2.447 | 9.10 |
| Day 38 | 2.749 | 10.22 |
| Day 97 | 2.600 | 9.67 |
| SARS patient 2 | ||
| Day 0 | 0.068 | 0.25 |
| Day 6 | 0.163 | 0.61 |
| Day 16 | 0.345 | 1.28 |
| Day 27 | 1.212 | 4.51 |
| Day 116 | >3.000 | >9.40 |
aSARS, severe acute respiratory syndrome; CoV, coronavirus; ELISA, enzyme-linked immunosorbent assay; S/C = signal/cutoff ratio; NTU, National Taiwan University.


