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Created by
Rachel Alessandra Cheng, last updated by Brad Yang on Jun 03, 2025
1 minute read
Background: Salmonella enterica subsp. enterica serovar Urbana (antigenic formula ) is a serovar of the serogroup.
Genetic characteristics:
Animal reservoir:
Geographical distribution:
Human outbreaks:
| Year | Location | Associated source | Number of cases |
|---|---|---|---|
| 2020-2021 | US: multistate | Cashew brie1 | 20 |
| 2017 | US: multistate | Maradol papaya | 7 |
| 2010 | Finland, the Czech Republic and Latvia | Unknown | 14 |
| 1991 | Thailand | Contaminated wash basin in the labour nursery2 | 97 |
1 Four Salmonella serovars including Salmonella Chester, Duisburg, Typhimurium, and Urbana were involved in this outbreak. The case number does not reflect the number of infections linked to Salmonella Urbana only.
2 Among the infants infected, 57 developed gastrointestinal infections, 37 experienced diarrhea, and three had bacteremia.
Border rejections: There have been no recent border rejections linked to this serovar.
Recalls:
| Year | Location | Recalled food | Type |
|---|---|---|---|
| 2021 | US: multistate | Cashew brie1 | Milk and milk products |
1 The recall was caused by a multistate outbreak described above. On April 22, 2021, Jule’s Foods issued a recall of all their products, including their cashew brie.
Relevant links:
- https://archive.cdc.gov/www_cdc_gov/salmonella/duisburg-04-21/details.html#:~:text=Public%20Health%20Actions,products%2C%20including%20their%20cashew%20brie.&text=Epidemiologic%2C%20laboratory%2C%20and%20traceback%20data%20show%20that%20Jule's%20cashew%20brie,infected%20with%20this%20outbreak%20strain.
- https://archive.cdc.gov/www_cdc_gov/salmonella/urbana-09-17/index.html
- https://pubmed.ncbi.nlm.nih.gov/20338145/#:~:text=A%20cluster%20of%2014%20cases,under%2016%20years%20of%20age.
- https://pubmed.ncbi.nlm.nih.gov/1680905/