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Volume 20, Number 10—October 2014

Clinical Isolates of Shiga Toxin 1a–Producing Shigella flexneri with an Epidemiological Link to Recent Travel to Hispañiola

Miranda D. Gray, Keith A. Lampel, Nancy A. Strockbine, Reinaldo E. Fernandez, Angela R. Melton-Celsa, and Anthony T. MaurelliComments to Author 
Author affiliations: Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA (M.D. Gray, R.E. Fernandez, A.R. Melton-Celsa, A.T. Maurelli); US Food and Drug Administration, College Park, Maryland, USA (K.A. Lampel); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (N.A. Strockbine)

Main Article

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.

Main Article

Page created: September 12, 2014
Page updated: September 12, 2014
Page reviewed: September 12, 2014
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