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Shigellosis in Poland in 2013-2017
Ewelina Księżak1, Piotr Polański1, Małgorzata Sadkowska-Todys1
1National Institute of Public Health – National Institute of Hygiene, Department of Epidemiology of Infectious Diseases and Surveillance
Przeglad Epidemiologiczny
|April 3, 2020
Summary
Shigellosis cases in Poland (2013-2017) showed no clear trend but outbreaks caused peaks. High hospitalization rates suggest underreporting of milder shigellosis cases.
Area of Science:
- Epidemiology
- Infectious Diseases
- Public Health Surveillance
Background:
- Shigellosis is a significant bacterial infection causing dysentery.
- Understanding its epidemiological patterns is crucial for effective public health interventions.
- Poland's surveillance data provides insights into shigellosis trends.
Purpose of the Study:
- To evaluate the epidemiological situation of shigellosis in Poland between 2013 and 2017.
- To analyze incidence, demographics, and outbreak patterns of shigellosis.
Main Methods:
- Analysis of epidemiological questionnaires and aggregated data from sanitary stations.
- Utilized data from annual bulletins and the ROE system for outbreak investigations.
- Case reporting followed Decision 2008/426/WE.
Main Results:
- 140 shigellosis cases reported (2013-2017), with a mean incidence of 0.05 per 100,000.
- Over half of cases (51%) were in the 20-44 age group; 57.1% were male.
- 28% of cases were imported, primarily from outside the EU/EFTA; 10 outbreaks involved 47 individuals.
Conclusions:
- No clear increasing or decreasing trend in shigellosis, but outbreaks caused significant yearly increases.
- High hospitalization rates (>70%) may indicate underreporting of less severe cases.
- The use of general questionnaires hinders detailed exposure assessment, necessitating Shigella-specific tools.
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