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Author Spotlight: Advancements and Challenges in Hepatitis B Virus Detection
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Hepatitis B in Poland in 2020.

Monika Kowalczyk1, Małgorzata Stępień1

  • 1National Institute of Public Health NIH - National Research Institute, Department of Epidemiology of Infectious Diseases and Surveillance.

Przeglad Epidemiologiczny
|October 11, 2022
PubMed
Summary

The COVID-19 pandemic significantly reduced hepatitis B diagnoses in Poland in 2020. Despite fewer tests, the childhood hepatitis B vaccination program remained stable, showing its resilience.

Area of Science:

  • Epidemiology
  • Public Health
  • Infectious Diseases

Background:

  • Hepatitis B virus (HBV) infection remains a global health concern.
  • Understanding the epidemiological trends of hepatitis B is crucial for effective public health interventions.
  • The COVID-19 pandemic has impacted healthcare systems and disease surveillance worldwide.

Purpose of the Study:

  • To assess the epidemiological situation of hepatitis B in Poland in 2020.
  • To compare 2020 data with previous years, analyzing the impact of the COVID-19 pandemic.
  • To evaluate the effectiveness of the hepatitis B vaccination program during the pandemic.

Main Methods:

  • Analysis of individual hepatitis B and HBV infection reports from the EpiBaza electronic surveillance system for 2020.
Keywords:
2020Polandepidemiologyhepatitis B

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  • Utilized data from annual bulletins "Infectious diseases and poisonings in Poland in 2020" and "Vaccinations in Poland in 2020".
  • Obtained mortality data from Statistics Poland (GUS).

    • Main Results:

    • In 2020, 2,854 cases of hepatitis B were reported, a 65.1% decrease from 2019, with an incidence of 2.59 per 100,000 population.
    • 14 cases of acute hepatitis B were reported (1.4% of total), a 67% decrease from 2019.
    • Diagnosis rates for chronic and unknown hepatitis B cases also significantly decreased (64.2% lower than 2019).

    Conclusions:

    • The COVID-19 pandemic led to a substantial reduction in hepatitis B testing and diagnosed infections starting from Q2 2020.
    • No acute hepatitis B cases were reported in vaccinated individuals (childhood vaccination).
    • The childhood hepatitis B vaccination program demonstrated stability despite pandemic-related healthcare access limitations.