Bacteremia (CFU/ml) | Bacteria taken(CFU)* | Total fleas | Infected fleas | Infection rate (%) |
---|---|---|---|---|
1.0 × 108 | 5.0 × 103 | 24 | 4 | 16.7 |
1.0 × 109 | 5.0 × 104 | 32 | 13 | 40.6 |
2.0 × 109 | 1.0 × 105 | 30 | 13 | 43.3 |
5.0 × 109 | 2.5 × 105 | 49 | 25 | 51.0 |
8.0 × 109 | 4.0 × 105 | 42 | 27 | 64.3 |
1.0 × 1010 | 5.0 × 105 | 48 | 36 | 75.0 |