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  • Title: Enteropathogenic Escherichia coli diarrhea in hospitalized children in Bangladesh.
    Author: Moyenuddin M, Rahman KM.
    Journal: J Clin Microbiol; 1985 Nov; 22(5):838-40. PubMed ID: 3902881.
    Abstract:
    The role of enteropathogenic Escherichia coli (EPEC) was evaluated in a group of children with endemic diarrhea admitted to Dhaka Shishu Hospital in Dacca, Bangladesh. EPEC was detected in fecal samples of 23% of 104 cases and 8% of 74 concurrent control children. The most commonly isolated EPEC strains were serogroups O20a, O20c:K61; O20a, O20b:K84; O26:K60; and O18a, O18c:K77. Except for O26:K60, these groups had not been reported from Bangladesh. On testing for enterotoxin production, only two strains (serogroups O26:K60, O18a, and O18c:K77) were enterotoxigenic. None was enteroinvasive as tested in the guinea pig conjunctivitis model. Our study supports the concept that EPEC may be an important cause of endemic diarrhea in Bangladesh. The pathogenic role of enteropathogenic Escherichia coli (EPEC) was evaluated in children with endemic diarrhea admitted to Dhaka Shishu Hospital in Dacca, Bangladesh. 65% of study subjects were under 1 year of age and 90% were under 3 years of age. EPEC was isolated from 24 (23%) of the 104 diarrhea cases and from 6 (8%) of 74 concurrent control children. the most commonly isolated EPEC strains were serogroups O20a, O20c:K61; O20a, O20b:K84; O26:K60; and O18a, O18c:K77. Except for O26:K60, these groups had not been reported from Bangladesh. On testing for enterotoxin production, only 2 strains--O26:K60, O18a and O18c:K77--were enterotoxigenic. None was enteroinvasive as tested in the guinea pig conjunctivitis model. EPEC was the only pathogen isolated in 8 (33%) of the 24 cases. These results clearly implicate EPEC as an important cause in endemic community-acquired diarrhea in Bangladesh.
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