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others. 0157 : H7 in about one day. However, when
EIEC or enteroinvasive E. coli are strains a food sample shows a positive screening
that cause nonbloody diarrhea and dysentery result, the conventional methods must be
by invading and multiplying within colonic used to confirm the presence or absence of
epithelial cells. Serotypes include O28ac, E. coli 0157 : H7.
O112, O124, and others. From a food industry point of view, E. coli
EAggEC—enteroaggregative E. coli— O157 : H7 has an even more important role in
cells affect infants and children with persis- food safety and commerce because in 1994,
tent diarrhea. They have the characteristic this was the only microbe to be declared a
annaabi.ee 
