TABLE 1.

Shiga toxin-producing strains used in this study

Species (strain)SerotypeaOriginShiga toxin(s) produced
E. coli (ATCC 43890)O157:H7United States (Calif.)Stx1
E. coli (ATCC 43894)O157:H7United States (Mich.)Stx1, Stx2
E. coli (ATCC 43895)O157:H7United StatesStx1, Stx2
E. coli (CDC 97-3254)O157:H7United States (Minn.)Stx1
E. coli (CDC 97-3330)O157:H7United States (Ga.)Stx2
E. coli (CDC 98-3055)O157:H7United States (Tenn.)Stx1, Stx2
E. coli (LSPQ 2127)O157:H7Canada (Quebec)Stx1, Stx2
E. coli (LSPQ 3760)O157:H7Canada (Quebec)Stx1, Stx2
E. coli (LSPQ 3761)O157:H7Canada (Quebec)Stx2
E. coli (LSPQ 3762)O157:H7Canada (Quebec)Stx1, Stx2
E. coli (CDC 98-3169)O157:NMUnited States (Oreg.)Stx2
E. coli (CDC 98-3186)O145:NMUnited States (Mo.)Stx1, Stx2
E. coli (CDC 99-3077)O111:NMUnited States (Va.)Stx1, Stx2
E. coli (CDC 97-3162)O111:NMUnited States (Mont.)Stx1, Stx2
E. coli (CDC 89-3156)OX3:H21United States (Mich.)Stx2
E. coli (HK 7828/95)O103:H2GermanyStx1, Stx2
E. coli (HK 2905/96)O103:H2GermanyStx1
E. coli (HK 6037/96)O111:NMGermanyStx1, Stx2
E. coli (HK 5380/96)O111:NMGermanyStx1
E. coli (HK 5720/96)O26:NMGermanyStx2
E. coli (HK 8574/96)O26:NMGermanyStx1
E. coli (HK 7465/96)O145:NMGermanyStx1
E. coli (HK 3485/99)O145:NMGermanyStx2
S. dysenteriae (ATCC 11835)Type 1United StatesStx1
S. dysenteriae (CDC C898)Type 1MexicoStx1
S. dysenteriae (CDC BU2X1)Type 1BurundiStx1
S. dysenteriae (CDC F4101)Type 1BangladeshStx1
  • a NM, nonmotile.