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Surveillance of invasive meningococcal disease in the Czech Republic

P Kriz1

  • 1National Reference Laboratory for Meningococcal Infections, National Institute of Public Health, Prague, Czech Republic.

Euro Surveillance : Bulletin Europeen Sur Les Maladies Transmissibles = European Communicable Disease Bulletin
|December 14, 2004
PubMed

Insights

The Czech Republic

Area of Science:

  • Epidemiology
  • Microbiology
  • Public Health

Background:

  • Long-standing surveillance of invasive meningococcal disease in the Czech Republic since 1921 (mortality) and 1943 (morbidity).
  • Extensive Neisseria meningitidis strain collection (over 3500 strains) at the National Reference Laboratory (NRL) in Prague since 1970.
  • Previous analyses indicated distinct meningococcal populations in the Czech Republic compared to Western Europe.

Purpose of the Study:

  • To analyze the characteristics of Neisseria meningitidis strains in the Czech Republic.
  • To investigate the epidemiology of invasive meningococcal disease, particularly serogroup C strains.
  • To inform public health strategies, including vaccination.

Main Methods:

  • Analysis of a comprehensive Neisseria meningitidis strain collection.
  • Epidemiological data review of invasive meningococcal disease incidence.
  • Identification of specific hypervirulent strains and their emergence.

Main Results:

  • The Czech meningococcal population exhibits unique characteristics compared to Western European strains.
  • A significant increase in serogroup C invasive meningococcal disease occurred in 1993.
  • This increase was linked to the emergence of the hypervirulent Neisseria meningitidis C, ST-11, ET-15/37 complex, peaking in 1995.

Conclusions:

  • The Czech Republic experienced a distinct epidemiological profile of invasive meningococcal disease.
  • The emergence of a specific hypervirulent strain drove a disease incidence peak.
  • A targeted vaccination strategy was implemented for high-risk populations.

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