Volume 20, Number 10—October 2014
Research
Clinical Isolates of Shiga Toxin 1a–Producing Shigella flexneri with an Epidemiological Link to Recent Travel to Hispañiola
Table 3
Virulence properties of Shigella flexneri strains
Strain | Invasion, % ± SE* | Plaquing efficiency, % ±SE† |
---|---|---|
2457T | 0.35 ± 0.04 | 4.34 ± 0.63 |
BS937 | 1.24 ± 0.27 | 3.22 ± 0.56 |
BS938 | 0.22 ± 0.03 | 4.34 ± 0.79 |
BS974 | 0.40 ± 0.09 | 3.24 ± 0.44 |
*Number of colony-forming units (CFUs) recovered from HeLa cells after gentamicin protection divided by the input CFUs.
†Number of plaques formed on L2 monolayers divided by the input CFUs.