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Percentage of infected macrophages1
| Attenuated strain |
Virulent strain |
|||
|---|---|---|---|---|
| Time post-infection | Low dose | High dose | Low dose | High dose |
| 3 days | 19 | 20 | 32 | 34 |
| 7 days | 18 | 21 | 34 | 50 |
BALB/c mice were intratracheally infected with 1 × 105 (low dose) or 1 × 107 (high dose) of attenuated (bacillus Calmette–Guérin) or virulent Mycobacterium bovis.
