Background: Salmonella enterica subsp. enterica serovar Berta (antigenic formula 1,9,12:[f],g,[t]:–) is a serovar of the group O:9 (D1) serogroup. This serovar is considered rare and is scarcely associated with human cases. It typically causes gastrointestinal food poisoning; however, serious infections such as myocarditis and meningitis due to this organism have been reported as well. The symptoms of splenic abscesses are usually non-specific and include fever, abdominal pain, nausea and vomiting.
Animal reservoir: No animal host has been identified yet.
Geographical distribution: S. Berta has only been described in the U.S and Canada.
Outbreaks:
Year | Location | Associated source | Number of cases |
| 1994 | Canada | Soft cheese product | 82 |
| 2023 | USA: WA | Unknown | 6 |
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