TABLE 2

Virulence of E. rhusiopathiae Fujisawa derivatives in mice

StrainMedian time to deatha (days) (no. of survivors/total no.)
Fujisawa3 (0/9)
Δ14393 (0/9)
Δ14404 (0/9)
Δ14418 (4/9)*
Δ14426 (0/9)*
Δ14434 (0/9)
T14445 (0/9)*
T14453 (0/9)
T14463 (0/9)
T14474 (0/9)
T14484 (0/9)
Δ1449>14 (9/9)*
Δ1450>14 (9/9)*
  • a An asterisk indicates difference (*, P < 0.001) compared to values for the Fujisawa-inoculated group.