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Giardiasis (lambliasis) in Poland in 2020.
Wioleta Kitowska1, Małgorzata Sadkowska-Todys1
1National Institute of Public Health NIH - National Research Institute, Department of Epidemiology of Infectious Diseases and Surveillance.
In 2020, Poland saw a significant decrease in giardiasis cases, with incidence rates dropping sharply compared to previous years. This trend mirrored other EU/EEA countries, likely influenced by the COVID-19 pandemic.
Area of Science:
- Epidemiology
- Infectious Diseases
- Public Health
Background:
- Giardiasis remains a significant public health concern globally.
- Understanding its epidemiological trends is crucial for effective control strategies.
- Poland has been monitoring giardiasis incidence for several years.
Purpose of the Study:
- To assess the epidemiological situation of giardiasis in Poland during 2020.
- To analyze trends in giardiasis incidence, hospitalizations, and outbreaks.
- To compare Poland's giardiasis data with other EU/EEA countries.
Main Methods:
- Utilized aggregated data from annual bulletins (2006-2020).
- Analyzed individual case data from the EpiBaza surveillance system.
- Included data from food-borne outbreak investigations recorded in the Registry of Epidemic Outbreaks (ROE).
Main Results:
- Reported cases of giardiasis in Poland decreased to 358 in 2020 (0.9 per 100,000 population), a 2-fold drop from 2019.
- Hospitalizations due to giardiasis continued a downward trend, representing 12.6% of cases in 2020.
- A significant reduction in reported outbreaks was observed, with 6 in 2020 compared to 12 in 2019.
Conclusions:
- The substantial decrease in giardiasis cases in 2020 is likely influenced by the COVID-19 pandemic, affecting reporting and disease transmission.
- Poland's giardiasis incidence reduction aligns with trends observed in most EU/EEA countries.
- Poland exhibited unique age and sex-specific incidence patterns compared to other EU/EEA nations in 2020.
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