Background: Salmonella enterica subsp. enterica serovar Concord (antigenic formula 6,7:l,v:1,2) is a serovar of the O:7 (C1) serogroup.  This serovar has been isolated from found animal and produce sources.

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

Genetic characteristics:

Animal reservoir: Chicken may be the potential reservoir of serovar Concord. 

Geographical distribution: Serovar Concord has been reported worldwide.

Human outbreaks: 

Year
Location
Associated Source
Number of Cases
2018-2019US: multistateTahini8

Border rejections: There have been no recent border rejections linked to this serovar. 

Recalls:

Year
Location
Recalled food
Type
2018US: multistateTahini1RTE Product

1 Achdut Ltd. in Ari’el, Israel recalled their tahini products. This recall was caused by a multistate outbreak described above. 

Relevant links:

  1. https://pubmed.ncbi.nlm.nih.gov/7103885/
  2. https://archive.cdc.gov/#/details?url=https://www.cdc.gov/salmonella/concord-11-18/index.html
  3. https://www.ncbi.nlm.nih.gov/pubmed/21330737
  4. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3303062/
  5. https://academic.oup.com/jac/article/65/7/1545/792396
  6. https://www.fda.gov/Food/RecallsOutbreaksEmergencies/Outbreaks/ucm626790.htm?utm_campaign=FDA+Outbreak+Salmonella+Concord+11_27_2018&utm_medium=email&utm_source=Eloqua