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[Meningitis and encephalitis in Poland in 2000]
Paweł Stefanoff1, Andrzej Zieliński
1Zakład Epidemiologii Państwowego Zakładu Higieny ul. Chocimska 24, 00-791 Warszawa. pstefanoff@pzh.gov.pl
Abstract:
A total of 2,033 cases of meningitis and 570 of encephalitis were reported in Poland in 2000. Among cases of meningitis 1,051 (51.7%) were classified as viral and 982 (48.3%) as bacterial. Etiological factors were determined in 36.7% (360/982) cases of bacterial meningitis. Neisseria meningitidis, Haemophilus influenzae, and Streptococcus pneumoniae were found in 10.3% (101/982), 8.7% (85/982), and 7.5% (74/982) cases, respectively. As in previous years, N. meningitidis typed B was strongly predominating. Out of 570 cases of encephalitis, 170 (29.8%) were tick borne, of which most were reported from endemic areas of north-eastern part of the country.
Insights
In Poland, 2000 saw over 2,000 meningitis and 570 encephalitis cases. Bacterial meningitis was often caused by Neisseria meningitidis, while tick-borne encephalitis predominated in endemic regions.
Area of Science:
- Epidemiology
- Infectious Diseases
- Neurology
Background:
- Meningitis and encephalitis represent significant public health concerns globally.
- Understanding the etiological agents and geographical distribution of these neurological infections is crucial for effective control strategies.
Purpose of the Study:
- To analyze the incidence and etiological factors of meningitis and encephalitis cases reported in Poland during the year 2000.
- To identify the predominant pathogens responsible for bacterial meningitis and the characteristics of encephalitis cases.
Main Methods:
- Retrospective analysis of reported meningitis and encephalitis cases in Poland for the year 2000.
- Etiological investigation of bacterial meningitis cases to identify causative agents.
- Classification of encephalitis cases based on suspected transmission routes, with a focus on tick-borne etiology.
Main Results:
- A total of 2,033 meningitis and 570 encephalitis cases were reported.
- Viral meningitis accounted for 51.7% of cases, while bacterial meningitis comprised 48.3%.
- Neisseria meningitidis (10.3%), Haemophilus influenzae (8.7%), and Streptococcus pneumoniae (7.5%) were the primary bacterial meningitis pathogens, with serogroup B N. meningitidis being predominant.
- Tick-borne encephalitis constituted 29.8% (170 cases) of all encephalitis cases, with a higher prevalence in northeastern Poland.
Conclusions:
- Bacterial meningitis in Poland in 2000 was primarily caused by Neisseria meningitidis, Haemophilus influenzae, and Streptococcus pneumoniae.
- Tick-borne encephalitis is a significant concern in specific regions of Poland, necessitating targeted public health interventions.