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Created by
user-7d4d5, last updated by Brad Yang on Mar 03, 2025
1 minute read
Background: Salmonella enterica subsp. enterica serovar Adelaide (antigenic formula 35:f,g:- [z27]) is a serovar of the O:35 (O) serogroup. Serovar Adelaide was first isolated in 1943 from a fatal case of enteritis in a man in Adelaide, Australia.
NCBI PD link for serovar Adelaide: https://www.ncbi.nlm.nih.gov/pathogens/isolates/#(taxgroup_name:%22Salmonella%20enterica%22)%20AND%20computed_types:(%22serotype=Adelaide%22)
Genetic characteristics: The outer core structure of serovar Adelaide LPS seems to differ from that of serovar Typhimurium and other Salmonella strains.
Animal reservoir: Serovar Adelaide was found in wild boar, bovine, and caprine.
Geographical distribution: Serovar Adelaide has primarily been reported in North America, including the US, Canada, and Mexico, but has also been found in Chile, Brazil, Australia, the UK, and Ethiopia.
Human outbreaks:
Year | Location | Associated source | Number of cases |
US: multistate | Pre-cut melon | 77 |
Border rejections:
Year | Exporting country | Importing country | Associated source | Product category |
| 2021 | Ethiopia | Germany | Sesame seeds | Nuts, nut products and seeds |
Recalls: There have been no recent recalls linked to this serovar.
Relevant links:
- https://www.pasteur.fr/sites/default/files/veng_0.pdf
- https://onlinelibrary.wiley.com/doi/10.1038/icb.1943.23
- https://pubmed.ncbi.nlm.nih.gov/2284502/
- https://archive.cdc.gov/#/details?url=https://www.cdc.gov/salmonella/adelaide-06-18/index.html
- https://webgate.ec.europa.eu/rasff-window/screen/notification/505138