Background: Salmonella enterica subsp. enterica serovar Coeln (antigenic formula 1,4,[5],12:y:1,2) is a serovar of the O:4 (B) serogroup. This serovar is very considered rare and is scarcely associated with human cases; only 32 human salmonellosis cases have been associated with this serovar during the last 10 years in the US. However, in Europe two three outbreaks have been associated with S. Coeln, one in France and a recent one in Norwayincluding outbreaks in France, Norway, and Sweden.
Animal reservoir: S. Coeln has been isolated in high frequency (21.8%) in wild boars in Italy. In addition, it has been isolated from water of coastal rivers in the western Mediterranean cost.
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Year | Location | Associated source | Number of cases |
| 2021 | Sweden | Fresh Sprouts | 52 |
| 2017 | Norway | TBD | 18 |
2013 | Norway | Baby Leaf Mix | 25 (Dec 17, 2013) |
1998 | France | Minced beef | 26 |
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2. http://www.eurosurveillance.org/ViewArticle.aspx?ArticleId=223
3. http://www.foodsafetynews.com/2013/12/rare-salmonella-strain-sickens-18-in-norway/#.WcudkPmGOUk