2023-06-10-世界卫生组织-Meningitis_Weekly_bulletin_5_to_11_June_2023_18页_1mb

Key Epidemiological Findings for Week 23, 2023

• Seventeen countries reported 252 suspected meningitis cases with 20 deaths (case fatality rate of 7.9%). No districts crossed the epidemic threshold, but six districts (one in Nigeria and five in DR Congo) crossed the alert threshold, with high attack rates in specific areas.
• Cumulatively for weeks 01-23, 2023, 12,732 cases and 810 deaths were recorded, yielding a case fatality rate of 6.4%. Sixteen districts were below the alert threshold, indicating no widespread outbreaks.

Laboratory Data Summary

• Thirteen countries provided lab data from 4,678 samples; 2,783 were negative, and 937 were positive. NmC (57.1%) and Spn (30.8%) were the predominant pathogens.
• Recommendations include enhancing lumbar puncture practices, improving sample transport, and acquiring laboratory supplies for pathogen identification.

Meningitis Annual Meeting Recommendations (19th, 2023)

• Strengthen meningitis surveillance, lab capacity, and vaccination, with targets for 2023-2030, including developing models for risk prediction, fast-tracking lab confirmation, and applying for Gavi support for MenAfriVac introduction.
• Focus on preparedness, reactive vaccination for epidemics, and survivor care, with progress noted on MenAfriVac introduction (15 countries) and successful reactive vaccination campaigns in Niger and Nigeria, reducing cases.

Recent Events and Vaccination Updates

• Catch-up activities for MenAfriVac are ongoing, with Guinea-Bissau planning vaccination for children caught up on immunization.
• Reactive meningococcal ACYW vaccination led to significant case reductions in Niger and Nigeria.

For detailed data, refer to the attached weekly bulletin and dashboard.