Table 1.
Mouse strain | Deposition dose (CFU/lung) | Number of deaths/total* |
---|---|---|
BALB/c | 56 | 0/4 |
132 | 1/5 | |
292 | 4/5 | |
1029 | 4/4 | |
1637 | 5/5 | |
C57BL/6 | 56 | 0/4 |
132 | 0/5 | |
292 | 0/5 | |
375 | 4/4 | |
1637 | 5/5 |
Observation periods for experiments with 100% mortality were ≤5 days. Observation periods for all other experiments were: 56 CFU/lung, 14 days; 132 CFU/lung, 5 days; 292 CFU/lung, 61 days.