Table 2.
Antibodies against coronavirus in patients and controls
| Positive rate | Mean titre in positive sera (SD) | |
|---|---|---|
| Patients with SARS | ||
| Paired (n=22) | 20 (91%) | 1312 (790) |
| Single (n=33) | 28 (85%) | 860 (583) |
| Controls | ||
| Single (n=60) | 0 | NA |
NA=not applicable.
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