Characteristics of bacterial pathogens associated with community-acquired pediatric diarrhea in Shanghai in 2007

WANG Chuan-Qing1; HE Lei-Yan1; WANG Ai-Min1; ZHANG Wen-Hong2

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Journal of Microbes and Infections ›› 2009, Vol. 4 ›› Issue (2) : 97-101.

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Characteristics of bacterial pathogens associated with community-acquired pediatric diarrhea in Shanghai in 2007

WANG Chuan-Qing¹；HE Lei-Yan¹；WANG Ai-Min¹；ZHANG Wen-Hong²

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Abstract

The present study was aimed to survey the prevalence of enteric bacterial pathogens associated with acute community-acquired diarrhea in children in Shanghai. Two thousand eight hundred and seventy-one (n=2871) children with acute community-acquired diarrhea were included in this study. Bacterial pathogens were collected from stool samples and isolated by culture methods. Bacteria were identified by API system and serologic testing. The following enteric pathogens were detected: Shigella, Escherichia coli (E.coli), Salmonella, Vibrio parahaemolyticus, Vibro cholerae, Aeromonas, and Yersinia enterocolitica. The data showed that the isolation rate of Campylobacter was 11.0% (172/1556) and the prevalent peak of Campylobacter was in April (P<0.001). Children younger than 4 years were the most susceptible (P<0.05). The isolation rate of Shigella was 3.2% and the predominant serotype of Shigella was S.flexneri (63.7%). The isolation rate of E.coli causing diarrhea was 1.0%, among which, enteropathogenic E.coli (EPEC)accounted for 70.0% (21/30) and the predominant serotype of EPEC was O55/K59. Our data indicate that Campylobacter, Shigella and E.coli causing diarrhea are the predominant pathogenic bacteria associated with community-acquired pediatric diarrhea in Shanghai in 2007.It is implied that the isolation of Campylobacter and E.coli causing intestinal diseases should be surveyed routinely.

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Community acquired diarrhea / Pathogenic bacteria / Pediatric / Shanghai

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WANG Chuan-Qing¹；HE Lei-Yan¹；WANG Ai-Min¹；ZHANG Wen-Hong². Characteristics of bacterial pathogens associated with community-acquired pediatric diarrhea in Shanghai in 2007[J]. Journal of Microbes and Infections. 2009, 4(2): 97-101