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Genetic Characteristics: Serovar Kedougou has been found to be polyphyletic with one lineage identified and one stand-alone singleton that does not cluster with any other Salmonella Kedougou isolates. Among human-originated Salmonella Kedougou isolates collected in Thailand, Pornruangwong et al. found that 84% showed resistance to three or more antimicrobial classes. In addition, three human stool samples contained strains resistant to third-generation cephalosporins—two carrying bla(CTX-M-63) and one with bla(CMY-2). Pulsed-field gel electrophoresis (PFGE) identified 45 distinct genetic clusters. Interestingly, human isolates from Thailand and the US shared identical PFGE patterns, indicating possible travel-related transmission. In contrast, most animal isolates from the UK formed separate clusters.
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Human outbreaks:
| Year | Location | Associated Sourcesource | Number of Casescases |
|---|---|---|---|
| 2020 | Finland | Carrot and zucchini salad | 9 |
| 2008 | Spain | Infant formula milk | 31 |
| 2006 | Norway | Salami | 54 |
| 1992 | The United Kingdom | Cooked turkey meat | NA |
Border rejections:
Year | Exporting country | Importing country | Associated source | Product category |
| 2023 | Germany | France | Rapeseed extraction meal1 | feed materials |
| 2022 | Poland | Italy | minced frozen poultry meat2 | poultry meat and poultry meat products |
| 2022 | Italy | Finland | organic rape cake expeller3 | feed materials |
1 Germany informed the recipient and authorities.
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- https://journals.sagepub.com/doi/full/10.1177/10406387251324261
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- https://webgate.ec.europa.eu/rasff-window/screen/notification/632838
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- https://pmc.ncbi.nlm.nih.gov/articles/PMC2249223/