Outbreaks of gastroenteritis linked to lettuce, Denmark, January 2010

S Ethelberg; M Lisby; B Böttiger; A C Schultz; A Villif; T Jensen; K E Olsen; F Scheutz; C Kjelsø; L Muller

doi:10.2807/ese.15.06.19484-en

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Outbreaks of gastroenteritis linked to lettuce, Denmark, January 2010
S Ethelberg^1,2 , M Lisby³ , B Böttiger⁴ , A C Schultz⁵ , A Villif³ , T Jensen⁶ , K E Olsen^2,7 , F Scheutz² , C Kjelsø¹ , L Muller¹
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Affiliations: ¹ Department of Epidemiology, Statens Serum Institut, Copenhagen, Denmark ² Department of Microbiological Surveillance and Research, Statens Serum Institut, Copenhagen, Denmark ³ Regional Veterinary and Food Control Authority East, Ringsted, Denmark ⁴ Department of Virology, Statens Serum Institut, Copenhagen, Denmark ⁵ National Food Institute, Technical University, Copenhagen, Denmark ⁶ Danish Veterinary and Food Administration, Copenhagen, Denmark ⁷ Department of Microbiological Diagnostics, Statens Serum Institut, Copenhagen, Denmark

Correspondence:
S Ethelberg
set ssi.dk
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Citation style for this article: Ethelberg S, Lisby M, Böttiger B, Schultz A C, Villif A, Jensen T, Olsen K E, Scheutz F, Kjelsø C, Muller L. Outbreaks of gastroenteritis linked to lettuce, Denmark, January 2010. Euro Surveill. 2010;15(6):pii=19484. https://doi.org/10.2807/ese.15.06.19484-en Received: 08 Feb 2010

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Abstract

At least 11 linked outbreaks of gastroenteritis with a total of 260 cases have occurred in Denmark in mid January 2010. Investigations showed that the outbreaks were caused by norovirus of several genotypes and by enterotoxigenic Escherichia coli. Lettuce of the lollo bionda type grown in France was found to be the vehicle.