O, K, and H Antigens Predict Virulence Factors, Carboxylesterase B Pattern, Antimicrobial Resistance, and Host Compromise among Escherichia coli Strains Causing Urosepsis

Abstract excerpt

The O:K:H serotypes of 75 Escherichia coli blood isolates from patients with urosepsis were compared for the presence and expression of determinants for P fimbriae, hemolysin, and aerobactin; antimicrobial resistance; the carboxylesterase B phenotype; and associated compromising host conditions. O groups, K types, and O:K:H serotypes previously associated with urovirulence accounted for 69%, 60%, and 31% of the...

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