TABLE 2.
Results of the screening of sera by RT-PCR and VI
| PCR result | No. of specimens with indicated VI result
|
Total | |
|---|---|---|---|
| Positive | Negative | ||
| Positive | 12 | 8 | 20 |
| Negative | 5 | 268 | 273 |
| Total | 17 | 276 | 293 |
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