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An outbreak of diarrhoea due to multiple antimicrobial-resistant Shiga toxin-producing Escherichia coli O26[ratio ]H11 in a nursery

Published online by Cambridge University Press:  26 November 2001

N. HIRUTA ,
T. MURASE  and
N. OKAMURA
N. HIRUTA
Affiliation:
Yokosuka City Institute of Public Health, Yonegahama Dohri 2-7, Yokosuka, Kanagawa 238-0011, Japan Department of Clinical Microbiology and Immunology, School of Allied Health Sciences, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo 113-8519, Japan
T. MURASE
Affiliation:
Kanagawa Prefectural Public Health Laboratory, Yokohama, Kanagawa 241-0815, Japan
N. OKAMURA
Affiliation:
Department of Clinical Microbiology and Immunology, School of Allied Health Sciences, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo 113-8519, Japan
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Abstract

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An outbreak due to Shiga toxin-producing Escherichia coli O26[ratio ]H11 (STEC) occurred at a nursery in southeastern Japan in 1997. Thirty-two children had watery or bloody diarrhoea but none of them suffered from haemolytic-uremic syndrome. All of the STEC O26 were isolated during the period from 23 July to 22 August from 24 children, 3 nurses, and 2 food samples. These organisms had stx1 and eae genes but none of the other genes for which we tested (stx2, bfp, and EAF plasmid). They also possessed multiple antimicrobial resistances, which were encoded by a transmissible plasmid, and showed mostly identical genomic pulsed-field gel electrophoretic patterns. The results of this investigation suggested that contaminated food was the main contributing factor to this multiple antimicrobial-resistant STEC O26 infection, and person-to-person transmission also contributed to the spread of this outbreak.

Type
Research Article
Information
Epidemiology & Infection , Volume 127 , Issue 2 , October 2001 , pp. 221 - 227
Copyright
2001 Cambridge University Press