Outbreak of multiple strains of non-O157 Shiga toxin-producing and enteropathogenic Escherichia coli associated with rocket salad, Finland, autumn 2016

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Kinnula , S , Hemminki , K , Kotilainen , H , Ruotsalainen , E , Tarkka , E , Salmenlinna , S , Hallanvuo , S , Leinonen , E , Jukka , O & Rimhanen-Finne , R 2018 , ' Outbreak of multiple strains of non-O157 Shiga toxin-producing and enteropathogenic Escherichia coli associated with rocket salad, Finland, autumn 2016 ' , Eurosurveillance , vol. 23 , no. 35 , 1700666 , pp. 7-14 . https://doi.org/10.2807/1560-7917.ES.2018.23.35.1700666

Title: Outbreak of multiple strains of non-O157 Shiga toxin-producing and enteropathogenic Escherichia coli associated with rocket salad, Finland, autumn 2016
Author: Kinnula, Sohvi; Hemminki, Kaisa; Kotilainen, Hannele; Ruotsalainen, Eeva; Tarkka, Eveliina; Salmenlinna, Saara; Hallanvuo, Saija; Leinonen, Elina; Jukka, Ollgren; Rimhanen-Finne, Ruska
Contributor: University of Helsinki, Infektiosairauksien yksikkö
University of Helsinki, HUSLAB
University of Helsinki, National Institute for Health and Welfare (THL)
Date: 2018-08-30
Language: eng
Number of pages: 8
Belongs to series: Eurosurveillance
ISSN: 1560-7917
URI: http://hdl.handle.net/10138/246613
Abstract: In August 2016, an outbreak of Shiga toxin-producing Escherichia coli (STEC) and enteropathogenic E. coli (EPEC) with 237 cases occurred in the Helsinki metropolitan area, Finland. Gastroenteritis cases were reported at 11 events served by one catering company. Microbiological and epidemiological investigations suggested rocket salad as the cause of the outbreak. STEC ONT:H-11 and EPEC O-111:H8 strains isolated from food samples containing rocket were identical to the patient isolates. In this outbreak, the reported symptoms were milder than considered before for STEC infection, and the guidelines for STEC control measures need to be updated based on the severity of the illness. Based on our experience in this outbreak, national surveillance criteria for STEC have been updated to meet the practice in reporting laboratories covering both PCR-positive and culture-confirmed findings. We suggest that EPEC could be added to the national surveillance since diagnostics for EPEC are routinely done in clinical laboratories.
Subject: SEROTYPES
BACTERIA
DIARRHEA
SAMPLES
3111 Biomedicine
3121 General medicine, internal medicine and other clinical medicine
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