TABLE 2.

Prevalence of EAggEC-associated genes among E. coli isolates

Strain origin	No. of strains tested	No. of strainsa with the following genes detected:
		AA aggR aap	AA	aap	None
Feces—healthy	105	9 (8.6%)	1	1	94
Feces—diarrhea	68	7 (10.3%)	2	0	59
Bacteremia	90	3 (3.3%)	0	0	87
UTI in men	68	0 (0.0%)	0	0	68
Total	331	19 (5.7%)	3	1	308

^aPercentages of strains relative to the number of tested strains are shown in parentheses.