2007-04-14-世界卫生组织-Meningitis_Week_15,_9_April_2007_to_15_April_2007_8页_508kb

MDSC Meningitis Weekly Bulletin Summary - Week 15 2007

Overall Epidemiological Situation

• Report Period: Week 15 (April 9-15, 2007)
• Distribution: Primarily in the meningitis belt of Africa, with Burkina Faso being the top reporting country with 23,866 cases and 867 deaths.

National Details

1. Burkina Faso:

   • High number of cases (23,866) and deaths (867).
   • 26 districts in epidemic phase, 10 in alert phase.

2. Benin:

   • 221 cases and 41 deaths by week 15 with a case fatality rate (CFR) of 18.6%.

3. Niger:

   • 63 cases and 4 deaths, with a CFR of 6.3%.

4. Côte d'Ivoire:

   • 8 cases; no deaths during the week.

5. Chad:

   • 100 cases and 5 deaths by week 15, all from epidemic districts.

Case Fatality Rate (CFR)

• Regional overall CFR for week 15 was approximately 6.2%.
• France: A ongoing epidemic with 26 districts affected.
• Nigeria: A with 13 cases and 3 deaths, representing a 23.1% CFR.

Pathogen Identification

• Neisseria meningitidis A (NmA) was one of the most common pathogens detected in several countries, including Burkina Faso and Mali.
• Streptococcus pneumoniae (NmW135) was frequently detected in Niger, where it constituted the majority of tested meningitis pathogens.

Conclusion

• Burkina Faso continues to face a significant meningitis burden, with multiple districts in epidemic or alert phases.
• Burkina Faso reported the highest number of cases and deaths in the region during the reported week.
• Continued surveillance, timely reporting, and interventions are essential to manage and control the spread of meningitis.