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Created by
Brad Yang on Mar 03, 2025
1 minute read
Background: Salmonella enterica subsp. enterica serovar Altona (antigenic formula: 8,20:r,[i]:z6) is a serovar of the O:8 (C2-C3) serogroup.
NCBI PD link for serovar Altona: https://www.ncbi.nlm.nih.gov/pathogens/isolates/#(taxgroup_name:%22Salmonella%20enterica%22)%20AND%20computed_types:(%22serotype=Altona%22)
Genetic characteristics: Serovar Altona was mainly found in chickens
Geographical distribution: Serovar Altona has been reported worldwide such as the US and the UK.
Human outbreaks:
Year | Location | Associated source | Number of cases |
|---|---|---|---|
2024 | US: multistate | 4701 | |
2019 | US: multistate | 1,1342 | |
2011 | US: multistate | 963 |
1 The outbreak was initially associated with five Salmonella serovars: Altona, Indiana, Infantis, Mbandaka, and Typhimurium. The CDC indicated that two more-Cerro and Johannesburg-have been implicated in the illnesses.
2 Multiple Salmonella serovars were found including: Agona, Alachua, Altona, Anatum, Braenderup, Enteritidis, Infantis, Manhattan, Montevideo, Muenchen, Newport, and Oranienburg.
3 A cluster of 28 cases caused by serovar Johannesburg and a cluster of 68 cases caused by serovar Altona were identified in 24 states.
Border rejections:
Year | Exporting country | Importing country | Associated source | Product category |
|---|---|---|---|---|
2023 | Germany | Finland | Feed materials |
Recalls: There have been no recent recalls linked to this serovar.
Relevant links:
- https://www.cidrap.umn.edu/salmonella/salmonella-outbreak-backyard-poultry-expands-38-states
- https://www.sciencedirect.com/science/article/pii/S2405844022028596
- https://pubmed.ncbi.nlm.nih.gov/22437914/
- https://webgate.ec.europa.eu/rasff-window/screen/notification/646416