NCIt definition : A species of facultatively anaerobic, Gram-negative rod shaped bacteria assigned to
the phylum Proteobacteria. This E. coli serogroup produces the Shiga toxin, has large
plasmids, and contains a high pathogenicity island (HPI) region within its genome.
E. coli O26 was isolated from livestock and is a highly virulent serotype causing
diarrhea and hemolytic uremic syndrome with multiple complications in humans.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Escherichia coli
and serogroup O26.;