Developing Countries in 2007 Diarrhea is still an important disease burden worldwide. It causes considerable childhood mortality in the developing world and is correlated with morbidity (or of relating to disease) and substation health care costs in industrialized countries. The cause of infectious diarrhea is diarrheagenic Escheriachia coli (DEC) group. Subgroups of diarrheagenic Escheriachia coli (DEC) are the following: enteroinvasive E. coli (EIEC), enteropathogenic E. coli (EPEC), enterotoxigenic E.coli (ETEC), Shiga toxin-producing E. coli (STEC) and<unk>  <unk> . E. coli is a bacterium that is found in the intestines, its mostly harmless, but some strains of bacteria can cause illness and infection,
Enteroaggregative Escherichia coli
Enterotoxigenic Escherichia coli
Enteroinvasive Escherichia coli
Salmonella
Escherichia coli O157:H7
Clostridioides difficile 
Campylobacter upsaliensis
Yersinia enterocolitica