Table 3.
Strain | No. dead/total no. (%) after air sac infection of birds (1 × 107 CFU) |
---|---|
E058 | 10/10 (100) |
E058ΔrfaH | 0/10 (0) |
ReE058ΔrfaH | 10/10 (100) |
Strain | No. dead/total no. (%) after air sac infection of birds (1 × 107 CFU) |
---|---|
E058 | 10/10 (100) |
E058ΔrfaH | 0/10 (0) |
ReE058ΔrfaH | 10/10 (100) |