Escherichia coli (E. coli) O157:H7
What is Escherichia coli O157:H7? Escherichia coli O157:H7 is a serotype of enterohemorrhagic E. coli which is Shiga toxin-producing. It produces Shiga toxin 1 (Stx1) and/or Shiga toxin 2 (Stx2) as the virulence factors that contribute to its pathogenicity by the formation of attachment and effacing (A/E) lesions on human intestinal epithelium. …