Article
Virulence Characterization of Shiga-Toxigenic <i>Escherichia coli</i> Isolates from Wholesale Produce
6 Nov 2010
Abstract excerpt
The 13 Shiga-toxigenic Escherichia coli (STEC) strains isolated from wholesale spinach and lettuce consisted mostly of serotypes that have not been implicated in illness. Among these strains, however, were two O113:H21 that carried virulence genes common to this pathogenic serotype (stx(2), ehxA, saa, and subAB), suggesting that their presence in ready-to-eat produce may be of health concern.
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