Table 1. Epidemiological details of the E. coli isolates used in this work. (H = Hospitalized patients; C = Community patients; F = Healthy volunteers; A = animals; E = Environment; S = Ready-to-eat salads).

Phylogroup	ST/fumC	Continent (N° countries)	N° of Isolates	Date	Origina (N° Isolates)	Ref
B2	131	Europe (7)	26	1991–2010	H (19), C (1), F (4), E (2)	[23]
	131	North America (1)	3	2008	A (3)	[23]
	131	Asia (1)	2	2006–2007	C (2)	[23]
	1035	Europe (1)	1	2005	H (1)	[23]
	95	South America (1)	1	2011	H (1)	*
	12	Europe (1)	1	2007	H (1)	*
	355-like	Europe (1)	1	2007	H (1)	*
	126-like	Europe (1)	1	2007	A (1)	[25]
	799-like	Europe (1)	1	2006/07	A (1)	[25]
	fumC11	Europe (1)	1	2010	H (1)	*
	fumC103	Europe (1)	1	2006	H (1)	*
D	69	Europe (3)	7	2002–2010	H (3), S (2), C (1), A (1)	[24]
	69	North America (1)	5	1999–2000	H (5)	[24]
	69	South America (1)	1	-	H (1)	[24]
	393	Europe (3)	5	2002–2006	F (3), C (1), H (1)	[24]
	393	North America (1)	3	1980–1999	H (3)	[24]
	393	Asia (1)	2	2006–7	C (2)	[24]
	2321	Europe (1)	1	2008	H (1)	[24]
	405	Europe (4)	9	2000–2008	H (7), C (2)	[24]
	405	Asia (1)	1	2004	H (1)	[24]
	964	Europe (1)	1	2003	H (1)	[24]
	117	Europe (1)	4	2006–2010	H (4)	*
	New STa	Europe (1)	1	2010	H (1)	*
	648	Europe (1)	1	2006	H (1)	*
	1011	Europe (1)	2	2010	H (2)	*
	1325	Europe (1)	1	2010	H (1)	*
	3177	Europe (1)	1	2007	H (1)	*
	fumC88	Europe (1)	1	2010	H (1)	*
	fumC31	Europe (1)	3	2010	H (3)	*

^aDouble locus variant (DLV) of ST117;

*unpublished data.