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Created by
user-9b773, last updated by Caroline Renea Yates on May 22, 2025
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Background: Salmonella enterica subsp. enterica serovar Reading (antigenic formula 1,4,[5],12:f,g:[1,2]) is a serovar of the O:4 (B) serogroup. It has been implicated in foodborne illness, as well as a breast abscess, and a case of osteomyelitis.
NCBI PD link for serovar Reading: https://www.ncbi.nlm.nih.gov/pathogens/isolates/#(taxgroup_name:%22Salmonella%20enterica%22)%20AND%20computed_types:(%22serotype=Reading%22)
Genetic Characteristics:
Animal reservoir: Poultry and swine are the implicated reservoirs for serovar Reading, and it has been the cause of death in turkey poults.
Geographical distribution: S. Reading has been reported from countries worldwide including the US, UK, and and Australia.
Outbreaks: Several outbreaks linked to S. Reading have been reported.
| Year | Location | Associated Product | Number of cases |
|---|---|---|---|
| 2018 | US-multistate | Turkey Products | 358 |
| 2016 | US-multistate | Alfalfa sprouts | 361 |
| 2008 | Finland | Iceberg Lettuce | 1072 |
| 1956-1957 | US-multistate | Unknown | 283 |
1There were 30 cases associated with serovar Reading, 5 cases associated with serovars Reading and Abony, and 1 case associated with serovar Abony.
2This outbreak was linked to serovars Reading (30 cases) and Newport (77 cases)
Border rejections:
Year | Exporting country | Importing country | Associated source | Product category |
| 2024 | Germany | Finland | Turkey breast fillet | Poultry meat and poultry meat products |
Recalls:
| Year | Location | Recalled product | Type |
|---|---|---|---|
| 2022 | Germany, Denmark | Dried fenugreek leaves from India | Herbs and spices |
| 2018-2019 | US-multistate | Turkey products | Poultry meat and poultry meat products |
| 2016 | US-multistate | Alfalfa sprouts | produce |
Relevant links:
- http://ps.oxfordjournals.org/content/35/1/171.full.pdf+html
- https://www.cdc.gov/salmonella/reading-07-18/index.html
- https://archive.cdc.gov/#/details?url=https://www.cdc.gov/salmonella/reading-07-18/index.html
- https://archive.cdc.gov/#/details?url=https://www.cdc.gov/salmonella/reading-08-16/index.html
- https://doi.org/10.4315/0362-028X.JFP-10-455
- https://webgate.ec.europa.eu/rasff-window/screen/notification/563154
- https://pmc.ncbi.nlm.nih.gov/articles/PMC1951708/?page=10
- https://webgate.ec.europa.eu/rasff-window/screen/notification/672575