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Salmonellosis in Poland in 2023
Małgorzata Milczarek-Lisicka1, Mirosław Piotr Czarkowski1, Małgorzata Sadkowska-Todys1
1Zakład Epidemiologii Chorób Zakaźnych i Nadzoru, Narodowy Instytut Zdrowia Publicznego PZH - Państwowy Instytut Badawczy.
Przeglad Epidemiologiczny
|April 14, 2026
Summary
Salmonellosis cases in Poland surged in 2023, returning to pre-pandemic levels with a high incidence rate. Public health efforts must continue to monitor this significant foodborne bacterial disease.
Area of Science:
- Foodborne bacterial diseases
- Epidemiology
- Public Health
Background:
- Salmonellosis remains a significant global and national public health concern.
- The true burden of Salmonella infections is likely underestimated.
- In 2023, Poland experienced a resurgence in salmonellosis, mirroring pre-COVID-19 epidemiological levels.
Purpose of the Study:
- To analyze and compare the 2023 salmonellosis epidemiological situation in Poland with previous years.
- To assess the incidence, serotype distribution, and outbreak data for salmonellosis in Poland.
- To evaluate the impact of imported cases and identify emerging serotypes.
Main Methods:
- Analysis of individual salmonellosis case data.
- Review of foodborne disease outbreak reports from EpiBaza and ROE systems.
- Utilized data from the National Institute of Public Health (NIH NIPH - PIB), ECDC, and the Central Statistical Office (GUS).
Main Results:
- Poland reported 10,348 salmonellosis cases in 2023 (27.4 per 100,000 population), with 61.7% requiring hospitalization.
- Salmonella Enteritidis was the predominant serotype (71%).
- 1,220 foodborne outbreaks were recorded, including 396 salmonellosis outbreaks, with 19 reported deaths.
Conclusions:
- Poland represented 13% of EU salmonellosis cases in 2023, exceeding the EU average incidence.
- Imported infections were infrequent, with Turkey being the most common country of origin.
- A notable outbreak of the rare Salmonella Agama serotype occurred alongside dominant Salmonella Enteritidis infections.
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