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Geographical distribution: S. Cerro has been reported mainly in the U.S. (from bovine samples). In addition, in southern Italy, this serovar was described as endemic in the year 2000.
Outbreaks: Two Multiple outbreaks of human salmonellosis due to serovar Cerro has have been reported. The most recent one occurred in 2 prisons in 2012 and was attributed to multiple serovars, including S. Cerro. In addition, one subclinical outbreak in dairy cattle was reported, in this outbreak contamination at the farm persisted for almost 2 years. It has been linked to US backyard poultry outbreaks in 2024.Below are a few examples.
Year | Location | Associated source | Number of cases |
1985 | US: New Mexico | Beef jerky | 29 |
2012 | US: Arkansas | Eggs, chicken salad, person-to-person | 6a |
2024 | US: Multi-state | Backyard poultry | 409b |
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b Multiple serovars, including Salmonella Altona, Cerro, Enteritidis, Indiana, Infantis, Johannesburg, Mbandaka, and Typhimurium, were linked to this outbreak. The case number represents the total number of cases associated with the outbreak and does not specifically indicate the number of people infected by Salmonella Cerro.
Border rejections:
Year | Exporting country | Importing country | Associated source | Product category |
| 2021 | Ethiopia | Germany | Organic sesame seeds | Nuts, nut products and seeds |
| 2020 | Brazil | Germany | Black pepper1 | Herbs and spices |
| 2020 | Brazil | Germany | Black pepper2 | Herbs and spices |
1 Salmonella Abaetetuba and Salmonella Cerro were both found.
2 Salmonella Oranienburg and Salmonella Cerro were both found.
Recalls:
| Year | Location | Recalled food | Type |
|---|---|---|---|
| 2019 | US: multistate | Pig ear pet treats1 | Pet food |
| 1985 | US: New Mexico | Carne Seca2 | Dried food |
1 Salmonella I 4,[5],12:i:-, Cerro, Derby, Infantis, London, Newport, and Rissen were found.
2 This recall was caused by an outbreak involving 29 cases.
Relevant links and references::
- https://webgate.ec.europa.eu/rasff-window/screen/notification/507191
- https://webgate.ec.europa.eu/rasff-window/screen/notification/443222
- https://webgate.ec.europa.eu/rasff-window/screen/notification/428088
- https://www.fda.gov/animal-veterinary/outbreaks-and-advisories/fda-investigates-contaminated-pig-ear-pet-treats-connected-human-salmonella-infections
- https://www.cdc.gov/Mmwr/preview/mmwrhtml/00000628.htm
- http://www.ncbi.nlm.nih.gov/pubmed/20187753
- http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3095722/
- http://www.ncbi.nlm.nih.gov/pubmed/18041954
- http://www.cdc.gov/mmwr/preview/mmwrhtml/00000628.htm
- http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6308a2.htm
- https://www.cdc.gov/salmonella/backyardpoultry-05-24/index.html