Table 1.

Summary of E. coli isolates

StrainSerotypeStx productionSource
DEC8BO111:H8Stx1, Stx2R. Wilsona
DEC3DO157:H7Stx1, Stx2R. Wilson
43895O157:H7Stx1, Stx2American Type Culture Collection
33694NDd NegativeAmerican Type Culture Collection
93-111O157:H7Stx1, Stx2P. Fives-Taylorb
VDH5O157:H7NegativeVermont Department of Health
4516O157:H7Stx1, Stx2D. G. Whitec
19261O157:H7Stx1, Stx2D. G. White
8247O157:H7Stx1, Stx2D. G. White
8302O157:H7Stx1, Stx2D. G. White
JM109NDNegativePromega
  • a Pennsylvania State University, University Park, Pa.

  • b University of Vermont, Burlington, Vt.

  • c North Dakota State University, Fargo, N.D.

  • d ND, not determined.