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[Meningitis and encephalitis in Poland in 2001]
Magdalena Rosińska1, Andrzej Zieliński
1Zakład Epidemiologii Państwowego Zakładu Higieny ul. Chocimska 24, 00-791 Warszawa.
Abstract:
2367 cases of meningitis and 571 of encephalitis were reported in Poland in 2001. Among meningitis 1324 cases were classified as viral and 838 as bacterial. Among encephalitis cases, 117 were classified as bacterial and 383 as viral. Etiological factor was determined in 419 (44%) cases of bacterial meningitis/encephalitis. Among them Neisseria meningitidis was found in 106 cases, Haemophilus influenzae in 75 cases and Streptococcus pneumoniae in 99 cases. As in the past type B was the predominant type of N. meningitidis cultured from patients. 210 cases of tick borne encephalitis were reported in Poland in 2001, most of them from endemic areas of north-eastern part of the country.
Insights
In Poland, 2001 saw 2367 meningitis and 571 encephalitis cases. Bacterial meningitis/encephalitis etiological factors were identified, with Neisseria meningitidis, Streptococcus pneumoniae, and Haemophilus influenzae being key pathogens.
Area of Science:
- Neuroscience
- Infectious Diseases
- Epidemiology
Background:
- Meningitis and encephalitis pose significant public health challenges globally.
- Understanding the etiological agents and incidence of these diseases is crucial for effective public health strategies.
Purpose of the Study:
- To report the incidence and etiological factors of meningitis and encephalitis cases in Poland during 2001.
- To identify the predominant bacterial and viral pathogens responsible for these neurological infections.
Main Methods:
- Retrospective analysis of reported meningitis and encephalitis cases in Poland for the year 2001.
- Classification of cases into viral and bacterial categories.
- Etiological investigation of bacterial meningitis/encephalitis cases to identify causative agents.
Main Results:
- A total of 2367 meningitis and 571 encephalitis cases were reported.
- Viral infections were more common than bacterial for both meningitis and encephalitis.
- Key bacterial pathogens identified included Neisseria meningitidis (106 cases), Streptococcus pneumoniae (99 cases), and Haemophilus influenzae (75 cases).
- Type B Neisseria meningitidis was the predominant strain.
- 210 cases of tick-borne encephalitis were reported, primarily from northeastern Poland.
Conclusions:
- Bacterial meningitis and encephalitis in Poland in 2001 were primarily caused by Neisseria meningitidis, Streptococcus pneumoniae, and Haemophilus influenzae.
- Viral infections represent a significant proportion of meningitis and encephalitis cases.
- Tick-borne encephalitis is endemic in specific regions of Poland.