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. 2021 Nov 10;87(23):e01126-21. doi: 10.1128/AEM.01126-21

TABLE 1.

Top seven E. coli strains (n = 745) by serogroup and the presence of stx₁, stx₂, eae, and rpoS^a

Serogroup, eae status	No. of isolates with:								Total no. of isolates
Serogroup, eae status	No stx₁, stx₂, or rpoS	stx₁ only	stx₂ only	stx₁ and stx₂	rpoS and stx₁	rpoS and stx₂	rpoS, stx₁, and stx₂	rpoS only	Total no. of isolates
O26, eae positive	45	36	2	1	1	0	0	1	86
O26, eae negative	5	5	5	0	1	0	0	0	16
O45, eae positive	19	13	0	1	0	0	0	0	33
O45, eae negative	43	20	2	3	0	0	0	1	69
O103, eae positive	25	33	6	7	2	4	4	6	87
O103, eae negative	39	13	0	3	3	0	0	12	70
O111, eae positive	0	10	0	0	0	0	0	0	10
O111, eae negative	0	2	0	0	0	0	0	0	2
O121, eae positive	7	13	15	6	7	0	0	1	49
O121, eae negative	23	7	0	14	2	0	0	7	53
O145, eae positive	2	0	0	0	13	0	3	17	35
O145, eae negative	0	0	0	0	0	0	0	0	0
O157, eae positive	1	9	0	6	29	8	162	1	216
O157, eae negative	7	8	0	0	2	0	0	2	19

Total	216	169	30	41	60	12	169	48	745

^a

Predominant combinations for each serogroup are shaded in gray.