Table 2.

Prevalence of E. coli virulence genes among the eight most prevalent serotypes of the stx_2f-carrying E. coli isolates

Gene	O63:H6	O113:H6	O125:H6	O132:H34	O145:H34	O4:H2	O45:H2	O128:H2
astA	77/80	24/25	24/28	4/7	12/19	4/4	15/15	13/13
bfpA	77/80		24/28	4/7	12/19	4/4	13/15	13/13
cba						4/4	13/15	10/13
cdt-I	80/80	25/25	28/28	7/7	19/19	4/4	15/15	9/13
celB	2/80
cif	80/80	25/25	28/28			3/4	15/15	13/13
cma						4/4	14/15	10/13
eae	80/80	25/25	28/28	7/7	19/19	4/4	14/15	12/13
-subtype	alpha2	beta2	alpha2	alpha2	iota1	beta1	beta1&iota1	beta1
ehly1				6/7
espA	80/80	25/25	28/28	7/7	19/19	4/4	14/15	12/13
espB	80/80	25/25	28/28	7/7	19/19	4/4	14/15	12/13
espC	77/80		28/28	7/7	18/19
espF	80/80		27/28	7/7	19/19	4/4	14/15	12/13
espJ	80/80	25/25	28/28
fyuA		25/25
irp1		25/25
irp2		25/25
irp3		25/25
irp4		25/25
iss	1/80					4/4	15/15	13/13
nleA						3/4	15/15	13/13
nleB	2/80		27/28	7/7	19/19	4/4	14/15	13/13
nleC	72/80			1/7		4/4	15/15	13/13
stx 2f	80/80	25/25	28/28	7/7	19/19	4/4	15/15	13/13
tccP	4/80			2/7
tir	76/80	25/25	28/28	4/7	19/19	4/4	14/15	12/13
-subtype	gamma1	alpha1	gamma1	gamma1	alpha1	beta1	beta1	beta1
vat		24/25