Table 1.

Intrapulmonary replication in micea

Postinfection timeAA100 (CFU/lung)GT20 (CFU/lung)
0 h1 × 106 9 × 105
1.5 × 106 1 × 106
9 × 105 9 × 105
1 day6 × 107 5 × 104
6 × 107 8 × 104
3 × 107 8 × 104
2 days4 × 108 1.4 × 104
6 × 108 1 × 104
5 × 108 1 × 104
3 days9.6 × 104 2 × 102
1 × 105 5 × 102
8 × 104 8 × 101
7 days2 × 103 0
2 × 103 0
2 × 103 0
  • a A/J mice were intratracheally inoculated with 106 bacteria per strain, and at the indicated time points, three mice were sacrificed and CFU in the lung were determined.