Background: Salmonella enterica subsp. enterica serovar Tennessee (antigenic formula 6,7,14:z29:[1,2,7]) is a serovar of the O:7 (C1) serogroup. During 1995 to 2004, an average of 52 Salmonella Tennessee cases were reported to the National Salmonella Surveillance System each year. Nuts and seeds such as sesame-based products, pistachio halva

Animal reservoir: No animal reservoir is identified for serovar Tennessee.

Geographical distribution: Serovar Tennessee has been found in Germany, Hungary, Canada, and the U.S.

Outbreaks: Outbreaks have been associated with S. Tennessee. 

YearLocationAssociated SourceNumber of Cases
1992-1993Canada and USMilk products and infant formula48
2006-2007US: Multi-statePeanut butter715


Relevant links and references:

  1. https://www.sciencedirect.com/topics/agricultural-and-biological-sciences/salmonella-tennessee
  2. https://academic.oup.com/cid/article/53/4/356/446014
  3. https://www.foodsafetynews.com/2022/11/barry-callebaut-takes-77-million-hit-in-salmonella-incident/
  4. https://www.ecdc.europa.eu/sites/default/files/documents/ROA_S%20Mbandaka_S%20Havana_UI-716_14-October-2021.pdf
  5. https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0146929
  6. https://www.cdc.gov/mmwr/preview/mmwrhtml/00021081.htm