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Competitive analysis of different strains of S. flexneri 2a
| Strains |
Competitive index (CI)a |
|
| BALB/c mouse infection | HeLa cells infection | |
| 2457T05 | 0.96 ± 0.27 | 1.07 ± 0.35 |
| 2457T028D | 0.21 ± 0.09b | 0.25 ± 0.11b |
| MC1061 | 0.03 ± 0.02b | 0.02 ± 0.01b |
Competitive index (CI) is the ratio of mutant CFU to wild-type CFU after correcting the ratios for deviations of the in-oculum ratio from a value of 1.
P < 0.0078.
