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Genetic characteristics: Serovar Rissen has been found to be polyphyletic with three lineages identified and one stand-alone singleton that does not cluster with any other Salmonella Rissen isolates. Serovar Rissen ST469 has been found worldwide, in countries such as as Thailand, China, and Italy. This sequence type is the most common ST for serovar Rissen. ST8877 has been isolated from a cracked table egg in Sudan.
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Year | Exporting country | Importing country | Associated source | Product category |
| 2024 | Denmark | Finland | Feed materials | |
| 2022 | Spain | Belgium | Feed materials | |
| 2022 | Ukraine | Germany | Feed materials | |
| 2020 | Spain | Switzerland | Meat and meat products (other than poultry) | |
| 2020 | Belgium | Austria | Dog feed2 | Pet food |
1 Salmonella Rissen and Muenster were found.
2 Salmonella Rissen and monophasic Typhimurium were found.
Recalls:
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2 This recall was caused by a multistate human outbreak linked to several Salmonella serovars, including Rissen, linked to pig ears treats for dogs.
Relevant links:1.
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- https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2025.1547190/full
- https://www.veterinaryworld.org/Vol.16/May-2023/6.html
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