Table 2.
Group | No. of mice | Target challenge dose (CFU) | Presented challenge dose (CFU) | % survival | Mean time to death (range), in days | SD |
---|---|---|---|---|---|---|
1 | 10 | 2 × 102 | 2.3 × 102 | 90 | 6.0 | NAa |
2 | 10 | 2 × 103 | 4.4 × 103 | 40 | 3.8 (3–5) | 0.98 |
3 | 10 | 2 × 104 | 2.5 × 104 | 0 | 4.8 (3–7) | 1.72 |
4 | 10 | 2 × 105 | 7.9 × 104 | 0 | 3.8 (3–6) | 1.03 |
5 | 10 | 2 × 106 | 6.9 × 105 | 0 | 3.1 (3–4) | 0.32 |
NA, one mouse died on day 6.