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Chickenpox in Poland in 2012
Justyna Rogalska1, Iwona Paradowska-Stankiewicz1
1Department of Epidemiology, National Institute of Public Health - National Institute of Hygiene (NIZP-PZH) in Warsaw.
Insights
Chickenpox cases increased in Poland in 2012, with the highest incidence in 4-year-old children. This trend highlights the ongoing need for effective chickenpox vaccination strategies.
Area of Science:
- Epidemiology
- Public Health
- Vaccinology
Background:
- Chickenpox (varicella) cases, particularly in children, necessitate vaccination.
- Poland has recommended chickenpox vaccination within its National Immunisation Programme since 2002.
Purpose of the Study:
- To evaluate the 2012 epidemiological situation of chickenpox in Poland.
- To compare 2012 chickenpox data with previous years' trends.
Main Methods:
- Descriptive analysis of mandatory surveillance data.
- Utilized annual bulletins on infectious diseases and vaccinations in Poland.
- Incorporated the National Immunisation Programme data for 2012.
Main Results:
- 208,276 chickenpox cases were registered in Poland in 2012.
- Incidence was highest in 4-year-old children and in the Śląskie voivodeship.
- Chickenpox incidence was higher in males than females and in rural than urban residents.
Conclusions:
- A rise in chickenpox incidence was observed in Poland in 2012.
- This increasing trend has been noted since 2004.
- Improved disease surveillance may contribute to the observed increase.
Background:
A number of chickenpox cases, occurring especially in children, indicates the rationale for the use of chickenpox vaccinations. In Poland since 2002, chickenpox vaccination is included in the National Immunisation Programme as recommended.
Aim:
To assess epidemiological situation of chickenpox in Poland in 2012 in comparison to previous years.
Methods:
The descriptive analysis was based on data retrieved from routine mandatory surveillance system and published in the annual bulletins "Infectious diseases and poisonings in Poland in 2012" and "Vaccinations in Poland in 2012" (Czarkowski MP i in., Warszawa 2013, NIZP-PZH i GIS). National Immunisation Programme for year 2012 was also used.
Results:
In 2012, 208 276 cases of chickenpox were registered in Poland. The highest number of cases was reported in Śląskie voivodeship, the lowest in Podlaskie voivodeship. Mumps incidence was 540.5 per 100 000 and was higher than in 2011 (448.7). The highest incidence was recorded in children aged 4 years (7 611.5 per 100 000). The chickenpox incidence among men (570.7) was higher than among women (512.2). The incidence among rural residents (553.9) was higher than among urban residents (531.8). Number of cases hospitalized due to mumps was 1 361. Number of people vaccinated against chickenpox was 56 213.
Summary:
In 2012, there was an increase in the incidence of smallpox in Poland. This trend is continuing since 2004, which can be partly explained by improved surveillance of the disease.
