Table 3.

Presence of the HPI and LEE in STEC strains

SerotypeTotal no. of strainsNo. of strains positive for:
LEE (eae)HPI (irp2, fyuA)
O157:H7/H 37370
O103:H213130
O111:H 14140
O145:H 13130
O26:H11/H 313131
O128:H2/H 1207
Others21214a
65014b
Total20612956
  • a Serotypes O118:H (two strains), O4:H (one strain), and O121:H10 (one strain).

  • b Six different serotypes, including O3:H2 (one strain), O3:H10 (one strain), O41:H (one strain), O60:H (one strain), O78:H (three strains), and O152:H4 (one strain); three additional strains were not typeable with the O antisera used, and three strains were rough.