Table 1.

E. coli strains and their characteristics

E. coli strainaVT typebSerotypePresence of eaegenec
E-ES-Co6/ATCC43888*O157:H7+
E-ES-Co7VT2O157:H+
E-ES-Co8VT1-VT2O157:H7+
E-ES-Co9VT1O157:H+
E-ES-Co11VT2O157:H7
E-ES-Co12O157:H
E-ES-Co14VT1-VT2O157:H+
E-ES-Co15VT2O157:H+
E-ES-Co16VT2O157:H+
E-ES-Co17VT2O157:H7+
E-ES-Co18VT2O157:H7+
E-ES-Co19VT2O157:H7+
E-ES-Co26/H19*VT1O26:H11+
E-ES-Co27/90.2380*VT2O157+
E-ES-Co29/87.1215*VT1-VT2O157+
  • a Strains from the Laboratory Centre for Disease Control, Ottawa, Canada, are indicated by an asterisk. All other strains are from SERMHA-IPL, Villeneuve D’Asq, France.

  • b Determined by PCR according to the method of Read et al. (18).

  • c Determined by PCR according to the method of Germani (8).