Background And Aims: () is the second bacterial cause of nosocomial infections in the general population after . This study surveyed the frequency of cytotoxin-producing strains of and their antibiotic susceptibility profile in a cohort of children admitted to a referral hospital with different malignancies.
Methods: The Stool samples of children admitted to the Cancer Chemotherapy Unit of the Mofid Children's Hospital, Tehran, Iran were analyzed using conventional biochemical tests and polymerase chain reaction targeting the gene to identify .
During a study examining causes of diarrhea from May 2004 to May 2005, 808 stool specimens were collected from patients with acute diarrhea in Tehran. Fecal samples were cultured and identified according to the standard biochemical methods. Molecular identification of enteropathogens was carried out by amplification of their virulence genes by polymerase chain reaction.
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