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Background: Salmonella enterica subsp. enterica serovar Oranienburg (antigenic formula 6,7,14:m,t:[z57]) is a serovar of the O:7 (C1) serogroup.
S. Oranienburg ranks 13th among human salmonellosis cases in the U.S. This serovar has been isolated from multiple sources (domesticated animals, wild animals, and soil). One outbreak in dairy calves was reported in Michigan, the outbreak strains showed resistance to ciprofloxacin and cephalotin. In In Argentina, an strain encoding extended-spectrum β-lactamases was reported in a pediatric hospital.
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NCBI PD link for serovar Oranienburg: https://www.ncbi.nlm.nih.gov/pathogens/isolates/#(taxgroup_name:%22Salmonella%20enterica%22)%20AND%20computed_types:(%22serotype=Oranienburg%22)
Genetic characteristics:
Animal reservoir: Animal reservoirs for S. Oranienburg include Chicken may be a potential reservoir for serovar Oranienburg. This serovar was also isolated from other animals including bovine, equine, porcine, chicken, canine, and wild animals.
Geographical distribution: While Serovar Oranienburg is commonly found has been reported globally, it occurs most frequently in North and Latin America.
Human outbreaks: Multiple human outbreaks linked to serovar Oranienburg have been reported. They were associated with a variety of food. Below are examples.
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2 While the total case number was not reported, 439 confirmed cases were documented in Germany.
Animal outbreaks:
Year | Location | Breed | Number of cases |
|---|---|---|---|
| 2003-2005 | US: MI | Dairy calves1 | 168 |
1 The herd size was 604 (Salmonella Oranienburg prevalence: 27.8%).
Border rejections: Multiple border rejections linked to serovar Oranienburg have been reported. The majority of them were linked to black pepper imported from Brazil to Germany. Below are examples.
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4 This recall was caused by an international outbreak described above.
Relevant links:
- https://militaryhealth.bmj.com/content/112/4/211
- https://www.eggindustrycenter.org/soranienburg#:~:text=Specific%20animal%20species%20that%20can,salad%20and%20most%20recently%20eggs.
- https://pubmed.ncbi.nlm.nih.gov/21492021/
- https://marlerclark.com/salmonella-cantaloupe-outbreak-hits-43-in-15-states
- https://www.fda.gov/food/outbreaks-foodborne-illness/outbreak-investigation-salmonella-oranienburg-whole-fresh-onions-october-2021
- https://archive.cdc.gov/www_cdc_gov/salmonella/oranienburg-10-16/index.html
- https://www.cdc.gov/mmWR/preview/mmwrhtml/mm5639a3.htm
- https://www1.health.gov.au/internet/main/publishing.nsf/Content/cda-cdi3002f.htm
- https://www.researchgate.net/publication/6934802_Outbreak_of_Salmonella_oranienburg_infection_in_Japan
- https://web.archive.org/web/20090710153211/https://www.fda.gov/Food/ScienceResearch/ResearchAreas/SafePracticesforFoodProcesses/ucm091270.htm
- https://www1.health.gov.au/internet/main/publishing.nsf/Content/cda-pubs-cdi-1998-cdi2208-cdi2208d.htm
- https://www.cdc.gov/mmwr/preview/mmwrhtml/00001205.htm
- https://www.liebertpub.com/doi/10.1089/fpd.2010.0551?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%20%200pubmed
- https://webgate.ec.europa.eu/rasff-window/screen/notification/524928
- https://webgate.ec.europa.eu/rasff-window/screen/notification/524019
- https://webgate.ec.europa.eu/rasff-window/screen/notification/418605
- https://webgate.ec.europa.eu/rasff-window/screen/notification/416416
- https://www.foodsafetynews.com/2024/07/lab-error-behind-false-salmonella-finding-in-finland/
- https://www.marlerblog.com/case-news/more-cantaloupe-recalled-due-to-salmonella-oranienburg-and-sundsvall-outbreak/
- https://www.fda.gov/safety/major-product-recalls/2021-recalls-food-products-associated-onions-prosource-produce-llc-and-keeler-family-farms-due
- https://pmc.ncbi.nlm.nih.gov/articles/PMC552305/
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