2025-11-26-世界卫生组织-Meningitis_bulletin_29_September–2_November_2025_18页_1mb

Meningitis Weekly Bulletin Summary - Weeks 40-44, 2025

Publisher: WHO/African Region
Date: 29 September - 2nd November 2025

Key Epidemiological Highlights

1. Reported Cases & Deaths:

   • Total suspected cases: 1177 (weeks 40-44).
   • Deaths: 45 (CFR: 3.8%).
   • Countries included: 19 countries submitted data.

2. Epidemic Alert Thresholds:

   • Benin: 2 districts exceeded the alert threshold, 1 district crossed epidemic threshold.
   • DR Congo: Multiple districts in Lomami and Maniema provinces crossed alert thresholds.
   • Mali: Sub-districts in Bamako crossed alert thresholds.
   • South Sudan: Counties in Northern Bahr El Ghazal exceeded alert thresholds.
   • Togo: Districts in Kara crossed alert threshold.

3. Countries with Active Surveillance:

   • Only 18 out of 25 countries under enhanced surveillance shared data.

Laboratory Data Overview

• Positive Meningitis Cases: 1,173 samples tested positive from 7,307 CSF samples.
• Leading Pathogens:
  • Streptococcus pneumoniae (Spn): 40.1% (409 cases).
  • Neisseria meningitidis NmC: 28.0%.
  • Neisseria meningitidis NmW: 17.9%.

Summary of Trends

• Average case fatality rate (weeks 1-44, 2025): 4.7%.
• Significant fluctuations in cases observed, with localized outbreaks noted in specific regions.
• WHO urges countries to update meningitis preparedness plans for the upcoming 2026 season.

Contact Information

• WHO/AFRO/EPR Dakar Hub: linganic@who.int, lattm@who.int, oumap@who.int, kouae@who.int, baldet@who.int
• WHO/AFRO/UCN/VPD: abita@who.int, kalua@who.int
• WHO/Inter country Support Team - West Africa: bwakaa@who.int, dadjoh@who.int

Reference: WHO Meningitis Dashboard

Note: Data subject to change after validation.