2013-03-16-世界卫生组织-Meningitis_weekly_bulletin_11_-_17_March_2013_12页_1mb

Meningitis Weekly Bulletin - Week 11, 2013

I. Epidemiological Situation (Week 11, March 11-17, 2013)

• Total Cases & Deaths: 310 cases, 30 deaths, lethality rate 9.7%.
• Countries: Benin, Burkina Faso, Cameroon, Côte d'Ivoire, Guinea, Mali, Senegal, South Sudan, Sudan, Chad contributed.
• Alert Districts: Three districts under alert, including Garango (Burkina Faso, AR 8.3%), Nanoro (Burkina Faso, AR 5.8%), and Tanguiéta (Benin, AR 7.8%).

II. Synthesis of Epidemiological Data (Weeks 1-11, 2013)

• Cumulative Cases & Deaths: 4,813 cases, 499 deaths, lethality 10.4%.
• Countries: Partial/total vaccination status noted (e.g., Nigeria partially vaccinated, 450 cases; DR Congo 1,479 cases).
• Key Observations: High case counts and lethality in Chad and South Sudan; incomplete data noted for some regions.

III. Laboratory Data

• CSF Samples: 968 tested (20.1% of cases).
• Pathogens: Streptococcus pneumoniae most common (82 cases), followed by W135 (18 cases). Lab confirmation rates remain low.

IV. Notes

• Data subject to revision as completeness and verification occur.
• Contact provided for further inquiries.