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Background: Salmonella enterica subsp. enterica serovar Montevideo (antigenic formula 6,7,14:g,m,[p],s:[1,2,7]) is a serovar of the O:7 (C₁) serogroup. This serovar was first isolated in Uruguay in 1936 from an infant with chronic enterocolitis.

S. Montevideo is the sixth most common serovar isolated from humans and animals in the U.S. Outbreaks caused by S. Montevideo have been associated with imported spices and live poultry. Whole genome sequencing of a number of S. Montevideo strains have been conducted, including an study that identified one strain with two large plasmids that encoded antimicrobial and heavy metal resistance genes.  It has been reported, among the most common serovars, in the U.S., Europe, Latin America, Asia, and Oceania

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¹ Wonderful Pistachios of Lost Hills, California issued a voluntary recalled. The recalled pistachios, distributed under the Wonderful, Paramount Farms, and Trader Joe’s brands, were sold across the US as well as in Canada, Mexico, and Peru.

Relevant links:

1. https://jamanetwork.com/journals/jamapediatrics/article-abstract/495402
2. https://journals.asm.org/doi/10.1128/mbio.01913-24
3. https://www.nature.com/articles/srep46232
4. https://pubmed.ncbi.nlm.nih.gov/23566273/
5. https://www.nature.com/articles/srep46232#:~:text=Abstract,poultry%20or%20poultry%20meat%20products.
6. http://www.jbjc.org/en/article/doi/10.3784/j.issn.1003-9961.2014.12.022
7. https://www.sciencedirect.com/science/article/pii/S0362028X23068151
8. https://archive.cdc.gov/#/details?url=https://www.cdc.gov/salmonella/montevideo-01-18/index.html
9. https://archive.cdc.gov/www_cdc_gov/salmonella/montevideo-03-16/index.html
10. https://archive.cdc.gov/#/details?url=https://www.cdc.gov/salmonella/montevideo-tahini-05-13/index.html
11. https://archive.cdc.gov/#/details?url=https://www.cdc.gov/salmonella/montevideo-06-12/index.html
12. https://www.eurosurveillance.org/content/10.2807/ese.16.50.20040-en
13. https://pmc.ncbi.nlm.nih.gov/articles/PMC2870340/
14. https://pubmed.ncbi.nlm.nih.gov/12501260/
15. https://pubmed.ncbi.nlm.nih.gov/10491878/
16. https://webgate.ec.europa.eu/rasff-window/screen/notification/723009
17. https://webgate.ec.europa.eu/rasff-window/screen/notification/702610
18. https://webgate.ec.europa.eu/rasff-window/screen/notification/685839
19. https://webgate.ec.europa.eu/rasff-window/screen/notification/473167
20. https://webgate.ec.europa.eu/rasff-window/screen/notification/726067
21. https://webgate.ec.europa.eu/rasff-window/screen/notification/657396
22. https://webgate.ec.europa.eu/rasff-window/screen/notification/607162
23. https://webgate.ec.europa.eu/rasff-window/screen/notification/603115