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| Parameter | ELISA | Southern blot | PCR | Real time PCR | Current assay |
| Sensitivity | Moderate | Moderate | High | High | Moderate |
| Specificity | Fair | Good | Fair | Fair | Excellent |
| Assay time | 6–8 h | 2–4 d | 1.5 d | 1 d | 8–10 h |
| Potential to be quantitative | Yes | No | No | Yes | Yes |
| Needs special equipment | Yes | Yes | Yes | Yes | Yes |
