Background:  Salmonella enterica subsp. enterica serovar Kiambu (antigenic formula 1,4,12:z:1,5) is a serovar of the O:4 (B) serogroup. Serovar Kiambu was found to be the most common Salmonella serovar in chicken in Ontario, Canada. 

Animal reservoir: S. Kiambu was isolated from chicken, dog, and cattle. 

Geographical distribution: This serovar has been found in Germany, the U.S., Canada, Grenada, Japan, and Australia.

Outbreaks: Outbreaks have been associated with S. Kiambu. 

Year
Location
Associated Source
Number of Cases
2008USUnknown 32
2017US-multistateMaradol papayas imported from Mexico60
2023US-multistateDry dog food7

Border Rejections:

Year

Location

Associated Source

Number of Cases

2021GermanyBlack pepper from Brazil*NA

*Salmonella Morehead, S. Javiana, S. Braenderup, S. Saintpaul, and S. Minnesota were also found. 


Relevant links and references:

  1. https://www.fda.gov/Food/RecallsOutbreaksEmergencies/Outbreaks/ucm568097.htm
  2. https://www.cdc.gov/salmonella/kiambu-07-17/index.html
  3. https://www.sciencedirect.com/science/article/pii/S1198743X15010307
  4. https://journals.asm.org/doi/10.1128/aem.01923-22
  5. https://www.sciencedirect.com/science/article/pii/S002203022101078X
  6. https://www.canada.ca/en/public-health/services/reports-publications/canada-communicable-disease-report-ccdr/monthly-issue/2021-47/issue-5-6-may-june-2021/salmonella-enterica-canada-2006-2019.html
  7. https://journals.asm.org/doi/10.1128/MRA.00335-20
  8. https://www1.health.gov.au/internet/main/publishing.nsf/Content/cda-cdi3201o.htm
  9. https://www.researchgate.net/publication/320985716_Serovars_and_antimicrobial_resistance_of_non-typhoidal_Salmonella_isolated_from_non-diarrhoeic_dogs_in_Grenada_West_Indies
  10. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1151792/
  11. https://webgate.ec.europa.eu/rasff-window/screen/notification/521346
  12. https://europepmc.org/article/pmc/pmc3675922
  13. https://www.fsis.usda.gov/sites/default/files/media_file/2020-10/Salmonella-Serotype-Annual-2014.pdf
  14. https://www.cdc.gov/salmonella/kiambu-11-23/details.html


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