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Aims: To (i) study the serogroup distribution and virulence characteristics of non‐sorbitol‐fermenting Escherichia coli isolates from foods of animal origin and cattle faeces and (ii) re‐examine the true sorbitol and β‐d‐glucuronidase (GUD) reactions of sorbitol‐negative (Sor−) strains from MacConkey sorbitol agar (SMAC) to assess their phenotypic similarity with E. coli O157.
Methods and Results: ...
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