Table 1.
SARS antibody titer determined by ELISA and IFA
| Plasma unit number | ELISA titer | IFA titer |
|---|---|---|
| 1 | 1:4 | 1:160 |
| 2 | 1:4 | 1:100 |
| 3 | 1:8 | 1:160 |
| 4 | 1:16 | 1:320 |
| 5 | 1:48 | >1:320 |
| 6 | 1:8 | 1:160 |
| 7 | 1:16 | 1:320 |
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