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| Viremia rates | |||||
| Groups | No. of pigs challenged | Fever frequency (≥40.5°C) | 6 days pc | 9 days pc | Survival rates |
| mE2-15 VG | 3 | 4/42 | 0/3 | 0/3 | 3/3 |
| mE2-206 VG | 3 | 0/42 | 0/3 | 0/3 | 3/3 |
| mE2-61 VG | 3 | 0/42 | 0/3 | 0/3 | 3/3 |
| mE2-50 V2 | 3 | 0/42 | 0/3 | 0/3 | 3/3 |
| PBS | 3 | 23/25 | 3/3 | 2/2 | 0/3 |
pc, post-challenge.
