Background: Salmonella enterica subsp. enterica serovar Richmond (antigenic formula 6,7:y:1,2) is a serovar of the O:7(C1) serogroup.1 In addition to animal sources, serovar Richmond has been isolated from aqueducts, onion, fish products, and poultry.2,3,4,5

NCBI page for Salmonella enterica subsp. enterica serovar Richmond.6

Genetic Characteristics: Serovar Richmond has displayed multi-drug resistance (AMP/CAZ/CTX/CN/KF/KZ/S/TE/NA).5 

Animal reservoir: Brown rat.7

Geographical distribution: Serovar Richmond has been found in Europe, Thailand, and the U.S.2,4,7

Outbreaks: Outbreaks have been associated with S. Richmond. 

YearLocationAssociated SourceNumber of Cases
1993SpainWater from an aqueduct that flowed near the camp452

Border Rejections:

Year

Location

Associated Source

Number of Cases

2023

Germany

Onion powder from Hungary

NA3

Recalls: None

Relevant links and references:

  1. https://www.pasteur.fr/sites/default/files/veng_0.pdf
  2. https://pubmed.ncbi.nlm.nih.gov/9542446/
  3. https://webgate.ec.europa.eu/rasff-window/screen/notification/604602
  4. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6298556/
  5. https://doi.org/10.4315/0362-028X.JFP-15-145
  6. https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&id=1151182&lvl=3&lin=f&keep=1&srchmode=1&unlock
  7. https://scholarship.richmond.edu/masters-theses/1018/