. 2024 Sep 10;12(10):e04140-23. doi: 10.1128/spectrum.04140-23

TABLE 1.

Shiga toxin-producing Escherichia coli O157:H7 isolates used

Strain	LSPA-6^a	Associated environmental source	Outbreak associated	Reference
EDL933	I	Ground beef (1982), USA	Yes	80
TW14588	I	Lettuce (2006), USA	Yes	77
FRIK1989	I/II	Dairy cattle feces (1991), USA	No	NADC^b
RM6067W	I/II	Spinach (2006), USA	Yes	76

^{^a}

Lineage-specific polymorphism assay 6.

^{^b}

National Animal Disease Center, USDA.