Abstract
We report on an outbreak of Shigella sonnei infections involving ten cases notified through the laboratory surveillance system in Denmark in April and May. The likely source was consumption of fresh, raw sugar peas (sugar snaps) imported from Africa. This conclusion was based on interviews with cases and on the occurrence of a similar outbreak one month later in Norway. Fresh imported produce may occasionally be contaminated with pathogenic bacteria even when sold as ready-to-eat.
Highlights
On 27 May 2009 Norway sent an urgent inquiry through the European Food and Waterborne Diseases Network at the European Centre for Disease Prevention and Control (ECDC) reporting an increase in the number of Shigella sonnei cases
In all, 17 cases of Shigella sonnei were reported from 1 April to 1 June 2009
We looked into three different rounds of trawling questionnaire ‘studies’ performed among cases of a large outbreak of Salmonella Typhimurium U292 [1]
Summary
On 27 May 2009 Norway sent an urgent inquiry through the European Food and Waterborne Diseases Network at the European Centre for Disease Prevention and Control (ECDC) reporting an increase in the number of Shigella sonnei cases. By 1 June Norway informed that they suspected the source to be sugar peas. As an increase in the number of Shigella sonnei cases was observed in Denmark in April and May 2009, we initiated an outbreak investigation to find out if the Danish cases were related to the Norwegian outbreak
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More From: Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin
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