Salmonella Tennessee

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. From 1995 to 2004, an average of 52 Salmonella Tennessee cases were reported to the National Salmonella Surveillance System every year. Nuts and seeds such as sesame-based products, pistachio halva are the common vehicles for serovar Tennessee.

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.

Human outbreaks:

Year	Location	Associated source	Number of cases
2008	Germany	Bearded dragons	18
2006-2007	US: multistate	Peanut butter	715
2006	US: CO	Not identified¹	10
1992-1993	Canada and US	Milk products and infant formula	48

¹ The outbreak occurred in a neonatal intensive care unit.

Border rejections:

Year	Exporting country	Importing country	Associated source	Product category
2020	Russia	Finland	Rape seed meal	Feed materials
2020	China	Germany	Organic soy bean cake	Feed materials

Recalls:

Year	Location	Associated source	Type
2023	Romania	Fish flour from Latvia	Feed materials
2021	Germany, Czech Republic	Sesame paste from Syria	Nuts, nut products and seeds

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Salmonella Tennessee