One hundred eighty-five enteric Campylobacter strains isolated from diarrheic or healthy children in Bangui (Central African Republic) were studied to determine their species and serotypes. C. coli was identified in 38.9% of all strains and in 43.9% of strains from diarrheic children. By the hemagglutination technique for heat-stable antigens, 73.5% of the strains could be serotyped. Of the typeable strains, 75% were distributed among 13 more frequent serotypes. C. coli serotype Pen 37,56 was the most common serotype from diarrheic children.

Diarrheal morbidity and mortality in children less than 5 years old were studied in Bangui, Central African Republic, by a cluster survey. We found a high prevalence of diarrheal disease with an estimated annual incidence of 7 episodes of diarrhea per child per year. The estimated annual mortality rate for children less than 5 years old was 28.6 per 1,000 and 85.8 per 1,000 for infants; 51.6% of deaths were reported to be associated with diarrhea. During the survey, stool specimens were collected from 133 children with current diarrhea and 117 control children to study the etiologic agents of diarrheal disease in the community. An enteric pathogen was identified in 58% of diarrheal children's stools and 48% of stools of well children. A statistically significant association between diarrhea and rotavirus was found, with it being isolated from 8 of 33 (24%) of stools of infants with diarrhea compared to 0 of 25 (0%) of control infants. Isolation rates for Campylobacter jejuni, Entamoeba histolytica, pathogenic Escherichia coli, and other bacterial enteropathogens did not differ significantly between children with diarrhea and control children.

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