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Geometric mean antibody titre
| Days PI | Group 1 | Group 2 | Group 3 | Group 4 |
|---|---|---|---|---|
| 0 | 0.00 ± 0.00a | 1.13 ± 0.04b | 0.00 ± 0.00a | 0.00 ± 0.00a |
| 7 | 0.00 ± 0.00a | 3.00 ± 0.12b | 3.00 ± 0.12b | 4.50 ± 0.17c |
| 14 | 0.00 ± 0.00a | 76.80 ± 2.31b | 128.00 ± 1.15c | 135.00 ± 1.15d |
| 21 | 0.00 ± 0.00a | 207.00 ± 1.73b | 315.00 ± 2.89c | 445.70 ± 2.89d |
Means with different superscripts on the same day/row are significantly different (P < 0.05).
