International Comparison of Clinical, Bovine, and Environmental Escherichia coli O157 Isolates on the Basis of Shiga Toxin-Encoding Bacteriophage Insertion Site Genotypes |
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| Authors: | Joshua H Whitworth Narelle Fegan Jasmin Keller Kari S Gobius James L Bono Douglas R Call Dale D Hancock and Thomas E Besser |
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| Abstract: | Escherichia coli O157:H7 genotypes in the bovine reservoir may differ in virulence. The proportion of clinical genotypes among cattle isolates was weakly (P = 0.054) related to the international incidence of E. coli O157:H7-associated hemolytic-uremic syndrome, varied among clinical isolates internationally, and also differed along the putative cattle-hamburger-clinical case transmission chain. |
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