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Figure 1 | BMC Veterinary Research

Figure 1

From: Verotoxigenic Escherichia coli O157:H7 from Swedish cattle; isolates from prevalence studies versus strains linked to human infections - A retrospective study

Figure 1

Localization of cattle farms implicated in human cases versus origin of randomly isolated VTEC O157 strains. Localization of cattle farms implicated in human EHEC cases viz-á-vis a map illustrating the origin of the randomly isolated VTEC O157 strains. (a) farms implicated in EHEC cases (*); (b) prevalence studies based on slaughterhouse sampling (■), prevalence study of on-farm dairy cattle (□). Arrow in (a) indicates the county of Halland.

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