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[Influenza in 1997]
1Zakład Epidemiologii Państwowego, Zakładu Higieny, Warszawa.
Przeglad Epidemiologiczny
|July 14, 1999
Summary
In 1997, Poland saw a 41.8% decrease in influenza cases compared to 1996, with influenza A (H3N2) viruses circulating. Children experienced higher incidence rates than the general population.
Area of Science:
- Virology
- Epidemiology
- Public Health
Context:
- Influenza surveillance in Poland during 1997.
- Comparison of influenza incidence with the previous year (1996).
- Focus on influenza A (H3N2) virus strains and their antigenic properties.
Purpose:
- To report the epidemiological data of influenza in Poland for 1997.
- To identify and characterize influenza virus strains isolated during the surveillance period.
- To assess the antigenic similarity of circulating strains to vaccine strains.
Summary:
- Poland registered 1,578,494 influenza cases in 1997, a 41.8% decrease from 1996. The overall incidence was 4,084 per 100,000 population.
- Children under 14 represented 35.6% of cases, with an incidence rate 67% higher than the general population.
- Influenza A (H3N2) strains, primarily similar to A/Wuhan/359/95, were isolated throughout the year from various Polish cities.
Impact:
- Provides crucial data for understanding influenza trends and disease burden in Poland.
- Informs public health strategies for influenza prevention and control.
- Highlights the importance of ongoing virological surveillance for vaccine strain selection and efficacy.