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Chickenpox in Poland in 2022
Jakub Maciej Zbrzeżniak1, Iwona Paradowska-Stankiewicz1
1Zakład Epidemiologii Chorób Zakaźnych i Nadzoru, NIZP PZH - PIB.
Przeglad Epidemiologiczny
|December 11, 2024
Summary
Chickenpox incidence in Poland surged in 2022, returning to pre-pandemic levels. Vaccination remains crucial for preventing widespread Varicella-zoster virus outbreaks, especially in children.
Area of Science:
- Epidemiology
- Infectious Diseases
- Public Health
Background:
- Chickenpox, caused by the Varicella-zoster virus, is a common childhood illness.
- While typically mild, it can be severe in immunocompromised individuals.
Purpose of the Study:
- To analyze the 2022 chickenpox epidemiological situation in Poland.
- To compare 2022 data with previous years' trends.
Main Methods:
- Utilized mandatory case reporting data from Poland's epidemiological surveillance system.
- Assessed chickenpox incidence and hospitalization rates.
Main Results:
- Recorded 171,708 chickenpox cases in 2022, with 87.5% in children under 9.
- Incidence rose to 453.9 per 100,000, returning to 2016-2018 levels.
- Hospitalization rates ranged from 0.12% to 1.24% by region.
Conclusions:
- 2022 chickenpox incidence mirrored pre-pandemic levels despite public health measures.
- Highlights the critical role of vaccination in controlling Varicella-zoster virus.
- A quadrivalent vaccine could offer cost-effective prevention.
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