2024-03-09-世界卫生组织-Meningitis_Weekly_bulletin_4_to_10_March_2024_19页_1mb

Summary of Meningitis Weekly Bulletin (Week 10, 2024)

Epidemiological Data

• Weekly Cases (Week 10): 46 countries reported data, with varying cases and deaths; notable examples include Burkina Faso (44 cases), Niger (106 cases), and Chad (17 cases).
• Thresholds Crossed: Several districts exceeded epidemic or alert thresholds, such as Niamey I in Niger (attack rate 11.8/100,000) and Batangafo district in Central African Republic (attack rate 4.5/100,000).

Cumulative Data (Weeks 1-10, 2024)

• Total Cases: 5,937 suspected cases reported globally.
• Deaths: 327 deaths recorded, with a case fatality rate of 5.5%.
• Vaccination: Nigeria initiated a reactive vaccination campaign with MenFive vaccine in Jigawa State due to an ongoing epidemic.

Laboratory Findings

• Pathogens: Neisseria meningitidis serogroup C (NmC) was the most common pathogen (51.6%), followed by Streptococcus pneumoniae (30.2%).
• Testing: 467 out of 2,264 samples tested positive; gaps noted in some areas.

Key Recommendations

• Surveillance: Enhance integrated disease surveillance, increase lumbar puncture rates, and improve sample transportation systems.
• Laboratory Actions: Strengthen lab capacity, including RT-PCR setup, and ensure timely identification of pathogens.
• Prevention: Prepare for vaccination campaigns, pre-position vaccines in at-risk areas, and collaborate with WHO for quality control and molecular characterization.