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Detection of PCV2 in cases and in pigs within the three control groups by virus isolation (VI) and PCR (n=60 per group)
| Group | PCV2 (VI) | PCV2 (VI and PCR) |
|---|---|---|
| Cases | 87% | 100% |
| Compartment controls | 73% | 87% |
| Controls within PMWS + herd but from another compartment | 53% | 67% |
| Controls from PMWS-free herds | 30% | 50% |
