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Varicella complications in children one-site Polish population – a 19- year long survey

Beata Smok1,2, Justyna Franczak2, Krzysztof Domagalski3

  • 1Department of Pediatric Infectious Diseases and Hepatology, Faculty of Medicine, Collegium Medicum Nicolaus Copernicus University

Przeglad Epidemiologiczny
|February 28, 2019
PubMed

Insights

Chickenpox complications most frequently affect young, immunocompetent children. Universal varicella vaccination and herd immunity are crucial for reducing chickenpox incidence and complications, supporting its inclusion in Poland's National Immunization Program.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Epidemiology

Background:

  • Chickenpox (varicella) can lead to serious complications, particularly in children.
  • Understanding the epidemiology of these complications is vital for public health strategies.

Purpose of the Study:

  • To describe the epidemiology of chickenpox complications in children.
  • To analyze hospitalization data over a 19-year period in Poland.

Main Methods:

  • Retrospective review of medical records for 761 children under 18 hospitalized with varicella complications.
  • Data collected from January 1999 to December 2017.

Main Results:

  • Respiratory tract infections (30.1%), bacterial skin infections (24.8%), and gastrointestinal disorders (18.6%) were the most common complications.
  • Younger children (<2 years) were more prone to respiratory and gastrointestinal issues, while neurological complications were more frequent in 3-6 year olds.
  • No significant difference in complication rates between immunocompromised and immunocompetent children.

Conclusions:

  • Chickenpox complications predominantly impact young, immunocompetent children.
  • Population-wide vaccination and herd immunity are essential for reducing varicella incidence and complications.
  • The findings support the inclusion of the varicella vaccine in Poland's National Immunization Program.
Abstract

Keywords:
varicellachickenpoxcomplicationsvaccination

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