Emerging Infectious Disease ISSN: 1080-6059

Pathogenic Potential to Humans of Bovine Escherichia coli O26, Scotland

Margo E. Chase-Topping

, Tracy Rosser, Lesley J. Allison, Emily Courcier, Judith Evans, Iain J. McKendrick, Michael C. Pearce, Ian Handel, Alfredo Caprioli, Helge Karch, Mary F. Hanson, Kevin G.J. Pollock, Mary E. Locking, Mark E.J. Woolhouse, Louise Matthews, J. Chris Low, and David L. Gally

Author affiliations: University of Edinburgh, Edinburgh, UK (M.E. Chase-Topping, E. Courcier, M.C. Pearce, M.E.J. Woolhouse); The Roslin Institute and Royal (Dick) School of Veterinary Studies, Edinburgh (T. Rosser, I. Handel, D.L. Gally); Scottish E. coli O157/VTEC Reference Laboratory, Edinburgh (L.J. Allison, M.F. Hanson); Scottish Agricultural College, Edinburgh (J. Evans, M.C. Pearce, J.C. Low); Biomathematics and Statistics Scotland, Edinburgh (I.J. McKendrick); Istituto Superiore di Sanità, Rome, Italy (A. Caprioli); University of Münster, Münster, Germany (H. Karch); Health Protection Scotland, Glasgow, UK (K.G.J. Pollock, M.E. Locking); University of Glasgow Veterinary School, Glasgow (L. Matthews)

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Figure 2

Location of farms sampled in 2002–2004 field survey for Escherichia coli O26, Scotland. A) Farms that were positive for E. coli O26 are shown in red; farms negative for E. coli O26 are shown in green. B) The positive farms were subdivided according to differences in virulent properties of E. coli O26 (farm status) based on the possession of stx. Farms were designated as stx– (blue), stx1+ (yellow), or stx1+stx2+ (red).

Figure 2. Location of farms sampled in 2002–2004 field survey for Escherichia coli O26, Scotland. A) Farms that were positive for E. coli O26 are shown in red; farms negative for E. coli O26 are shown in green. B) The positive farms were subdivided according to differences in virulent properties of E. coli O26 (farm status) based on the possession of stx. Farms were designated as stx– (blue), stx₁+ (yellow), or stx₁+stx₂+ (red).

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