2012-12-01-世界卫生组织-Meningitis_Week_44-48,_29_October_-_2_December_2012_10页_446kb

Summary of Meningitis Weekly Bulletin (Weeks 44-48, November 2012)

Epidemiological Situation for Week 44-48 (Oct 29–Dec 2, 2012)

• Overall calm epidemic situation, with a total of 365 cases and 31 deaths, resulting in an 8.5% lethality rate.
• Two districts in Benin (Tanguieta and Matari) exceeded alert thresholds, with high attack rates.
• Laboratory results confirmed gram-positive diplococci in affected areas.
• Comments: Epidemic thresholds not applicable to countries outside the meningitis belt; data may evolve upon completion.

Year-to-Date Synthesis (Weeks 1–48, 2012)

• Total cases reported: 26,711; total deaths: 2,282; overall lethality rate: 8.5%.
• New countries joined enhanced surveillance: Guinea and Mauritania.
• Most data completeness high, with notable gaps in some regions.

Pathogen Identification

• Laboratory methods (PCR, LATEX, Culture) identified various meningitis pathogens.
• Total pathogen tests conducted: High numbers across countries, with emphasis on bacterial profiles.
• Comment: All suspect cases must be laboratory-confirmed to describe the upcoming epidemic season's bacteriological profile.

Recommendations

• Continue laboratory confirmation for all suspect cases to monitor and respond effectively.