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Detection of hepatitis C virus (HCV) RNA and blood in biological specimens obtained from 38 patients with HCV-positive serum specimens.
| Assay | No. (%) of persons (n = 38) | 95% CI |
|---|---|---|
| Blood detection with OBTI | ||
| Nasal secretions | 28 (73.7) | 57.8 – 85.2 |
| Sniffing straws | 3 (7.9) | 2.0 – 21.5 |
| HCV RNA detection with PCR | ||
| Nasal secretions | 5 (13.2) | 5.3 – 27.8 |
| Sniffing straws | 2 (5.3) | 0.5 – 18.2 |
