Background: Salmonella enterica subsp. enterica serovar Richmond (antigenic formula 6,7:y:1,2) is a serovar of the O:7(C1) serogroup.1 Serovar Richmond has been isolated from turtles, tilapia, moringa leaf powder, aqueducts, onion, fish products, and poultry.2,3,4,5,6,7,8

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

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

Animal reservoir: Unknown

Geographical distribution: Serovar Richmond has been associated with food products from India9 and has been found in Europe, Thailand, and Korea.2,4,5

Outbreaks: Outbreaks have been associated with S. Richmond. 

YearLocationAssociated sourceNumber of cases
1993SpainWater from an aqueduct that flowed near the camp452
2025United StatesMoringa leaf powder119

Border Rejections:

Year

Exporting country

Importing country

Associated source

Product category

2023

Hungary

Germany

Onion powder

Other food product / mixed

Recalls: 

YearLocationRecalled foodType
2025United StatesMoringa leaf powderOther food product / mixed

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.fda.gov/media/191021/download?attachment
  7. https://doi.org/10.3390/ani11061529
  8. https://doi.org/10.1128/mra.01472-18
  9. https://www.cdc.gov/salmonella/outbreaks/supplement-10-25/investigation.html