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The changing and dynamic epidemiology of meningococcal disease

Scott A Halperin1, Julie A Bettinger, Brian Greenwood

  • 1Canadian Center for Vaccinology, Dalhousie University, the IWK Health Centre, and Capital Health, Halifax, Canada. scott.halperin@dal.ca

Vaccine
|December 20, 2011
PubMed

Insights

Effective meningococcal vaccines have controlled serogroup C disease and may interrupt epidemics with serogroup A vaccines. Serogroup B vaccines show promise for endemic disease, while surveillance remains crucial for invasive meningococcal disease.

Area of Science:

  • Microbiology
  • Epidemiology
  • Vaccinology

Background:

  • Invasive meningococcal disease (IMD) epidemiology is dynamic, evolving rapidly.
  • Recent advancements in conjugate and recombinant vaccines have impacted disease control globally.

Purpose of the Study:

  • To review the changing epidemiology of IMD.
  • To assess the impact of vaccination programs on different serogroups.
  • To highlight the importance of ongoing surveillance.

Main Methods:

  • Review of epidemiological data and vaccination program outcomes.
  • Analysis of disease trends by serogroup (A, B, C, Y).
  • Discussion of emerging vaccine technologies.

Main Results:

  • Meningococcal C conjugate vaccines have achieved disease control in many countries.
  • Serogroup A conjugate vaccines show potential for interrupting epidemics in Africa.
  • Serogroup B vaccination reduced endemic disease in New Zealand; increases in serogroup Y noted in Nordic countries.
  • New recombinant serogroup B vaccines are anticipated.

Conclusions:

  • Vaccination strategies have successfully reduced specific serogroup IMD.
  • Continued global surveillance and improved reporting are essential for monitoring and controlling IMD.
  • Future vaccine developments may offer broader protection against prevalent serogroups.

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