TABLE 1.

Summary of tra region hybridization analysis of EPEC strains

ClassDescriptionSerotypeClonal groupNo. of strains analyzedPresence (+) or absence (−) of:
EAFtnp/finOTRA1TRA2TRA3TRA4
IEAF+ TRA1-4+O127:H6EPEC112++++++
O55:H6EPEC126++++++
O142:H34EPEC15++++++
O86:H34EPEC14++++++
IIEAF+ TRA4+O142:H6EPEC18++++
O119:H6EPEC18++++
IIIEAF+ TRA4O111:H2, H−EPEC24+++
O111:H2, H−EPEC223+
IVEAF TRA4+O128:H2Atypical12++++
O55:H7Atypical4++++
O119:H2Atypical6++
VEAF TRA1-4O55:H7Atypical7
O125:H6Atypical8
O128:H2Atypical2
O111:H9Atypical5