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[Influenza in Poland in 2004]

Mirosław P Czarkowski1, Magdalena K Machała, Lidia B Brydak

  • 1Zakład Epidemiologii Pańistwowego Zakładu Higieny, Warszawa. mpc@pzh.gov.pl

Przeglad Epidemiologiczny
|January 26, 2007
PubMed

Insights

In 2004, Poland recorded over 336,000 influenza cases, with children under 15 most affected. Influenza caused 27 deaths, primarily in individuals over 70.

Area of Science:

  • Epidemiology of infectious diseases.
  • Virology and public health surveillance.

Context:

  • Poland experienced a significant influenza burden in 2004, with a national incidence of 882.4 per 100,000 population.
  • Regional variations in incidence were notable, ranging from 226.2 in Podlaskie to 2,122.3 in Mazowieckie.
  • Children and adolescents under 15 represented 30.5% of cases, highlighting their vulnerability.

Purpose:

  • To report the epidemiological characteristics of influenza and influenza-like illness in Poland during 2004.
  • To detail the age-specific and regional incidence of influenza.
  • To document hospital admissions, mortality, and viral strains identified during the 2003/2004 epidemic season.

Summary:

  • A total of 336,919 influenza cases were registered in Poland in 2004.
  • Hospitalization was required for 0.31% of cases, and 27 deaths were attributed to influenza, predominantly in the elderly (over 70 years).
  • Six strains of influenza A/H3N2 were isolated and found to be antigenically similar to A/Panama/2007/99 and A/Korea/770/02.

Impact:

  • Provides crucial data for public health interventions and influenza preparedness in Poland.
  • Informs vaccination strategies by characterizing circulating influenza strains.
  • Contributes to the understanding of influenza epidemiology and its impact on different age groups.

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