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Background: Salmonella enterica subsp. enterica serovar Braenderup (antigenic formula 6,7,14:e,h:e,n,z15z₁₅) is a serovar of the O:7 (C₁) serogroup. S. Braenderup Serovar Braenderup is the 10^th most common serovar among human cases in the U.S. However, Salmonella Braenderup is serovar Braenderup was found in low percentage (>1%) in animals in the U.S. One report identified that serovar Braenderup can penetrate the eggs of turtles. To subtype S. Braenderup, a phage typing scheme was created in the U.K. 

NCBI PD link for serovar Braenderup: https://www.ncbi.nlm.nih.gov/pathogens/isolates/#(taxgroup_name:%22Salmonella%20enterica%22)%20AND%20computed_types:(%22serotype=Braenderup%22)

Genetic characteristics: Serovar Braenderup has been found to be monophyletic. To subtype serovar Braenderup, a phage typing scheme was created in the U.K. AmongBraenderup isolates, qnrB19 emerged as the predominant AMR gene. A genomic cluster of serovar Braenderup ST22, was identified by Danish authorities as melon-outbreak-associated.

Animal reservoir: Potential reservoirs for serovar Braenderup are cattle, chicken, pigs, horses, and turtles. However, isolation from these sources are sporadic.

Geographical distribution: Serovar Braenderup Serovar Braenderup is widely distributed, countries with reports of this serovar included countries in North America (US and Canada), Latin America (Colombia, Cuba, Venezuela), Europe (Greece, Austria, UK), and Asia (China, South Korea, Japan, Taiwan).

OutbreaksHuman outbreaks: Multiple outbreaks linked to serovar Braenderup have been reported; in most of these outbreaks, the associated food was produce. Below are some examples. 

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¹ Multiple serovars were found including: Salmonella Braenderup, Dreetown and Abaetetuba.

² Multiple serovars were found including: Salmonella Morehead, Javiana, Braenderup, Saintpaul, Kiambu and Minnesota.

³ Multiple serovars were found including: Salmonella Albany, Gaminara, Poona, Braenderup und Madelia.

Recalls:

¹ This recall was caused by a multistate outbreak. Fresh Start Produce Sales Inc. of Delray, Florida, recalled their whole cucumbers. 

Relevant links and references::

1. https://www.cdc.gov/salmonella/reportspubs/salmonella-atlas/serotype-reports.html
2. https://pmc.ncbi.nlm.nih.gov/articles/PMC2031443/
3. https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2025.1547190/full
4. https://europepmc.org/article/PMC/547744
5. https://journals.asm.org/doi/10.1128/spectrum.01706-24?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%20%200pubmed
6. https://pubmed.ncbi.nlm.nih.gov/38179625/
7. https://archive.cdc.gov/www_cdc_gov/salmonella/braenderup-04-18/index.html
8. https://archive.cdc.gov/www_cdc_gov/salmonella/braenderup-08-12/index.html
9. https://www.tandfonline.com/doi/10.1080/09603123.2011.613114?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%20%200pubmed
10. https://pubmed.ncbi.nlm.nih.gov/21519363/
11. https://www.cidrap.umn.edu/foodborne-disease/cdc-warns-salmonella-risk-tomatoes
12. https://pubmed.ncbi.nlm.nih.gov/17274858/
13. https://www.clinicalmicrobiologyandinfection.com/article/S1198-743X(14)63162-1/fulltext
14. https://webgate.ec.europa.eu/rasff-window/screen/notification/522139
15. https://webgate.ec.europa.eu/rasff-window/screen/notification/521346
16. https://webgate.ec.europa.eu/rasff-window/screen/notification/513985
17. https://www.fda.gov/safety/recalls-market-withdrawals-safety-alerts/fresh-start-produce-sales-initiates-recall-whole-cucumbers-because-possible-health-risk
18. http://www.cdc.gov/salmonella/braenderup-08-12/index.html
19. http://europepmc.org/abstract/MED/21916661
20. http://europepmc.org/articles/PMC547744/
21. http://www.ncbi.nlm.nih.gov/pubmed/21519363
22. https://www.cdc.gov/salmonella/braenderup-04-18/index.html