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. 2001 Oct;69(10):6209–6216. doi: 10.1128/IAI.69.10.6209-6216.2001

TABLE 5.

Virulence of CP9 (wt) and CP197 (ireA) in a mouse systemic infection model

Expt Strain LD50 (CFU)
1 CP9 3.82 × 106
CP197 1.22 × 106
2 CP9 3.95 × 106
CP197 3.56 × 106
3 CP9 5.06 × 106
CP197 2.93 × 106
4 CP9 1.2 × 107
CP197 4.17 × 106