Magnified 1250X, this fluorescent antibody stained photomicrograph revealed the presence of enteropathogenic Escherichia coli
bacteria, which were found in a fecal smear from an infant with diarrhea. E. coli
is a member of the family of bacterial organisms within the family Enteribacteriaceae
, and contains the highly pathogenic strain, which has been given the label O157:H7.