Group | Treatment (no. of animals) | No. of animals | |||
---|---|---|---|---|---|

Whole-blood IFN-γ assay | SCITT | ||||

Positive | Negative | Positive | Negative | ||

1 | F. hepatica (4) | 4^{b} | 4^{b} | ||

2 | F. hepatica-BCG (4) | 4^{b} | 4^{b} | ||

3 | BCG-F. hepatica (5) | 1 | 4^{b} | 2 | 3^{b} |

4 | BCG (5) | 4 | 1 | 4 | 1 |

↵

*a*The whole-blood IFN-γ assay was carried out on the same day as injection of PPD antigens for the SCITT. The number of animals from each group that were classed as positive or reactors was expressed as a percentage for statistical analysis.↵

*b*Result significantly different from that of the BCG-only group as determined by the χ^{2}test (*P*≤ 0.05).