2013-02-23-世界卫生组织-Meningitis_weekly_bulletin_18_-_24_February_2013_12页_1mb

Meningitis Weekly Bulletin Summary - Week 08, 2013

Epidemiological Situation (Week 08)

• Total suspected meningitis cases: 492.
• Total deaths: 48.
• Lethality rate: 9.8%.
• Countries with notable cases: Benin (38 cases, 4 deaths), Burkina Faso (137 cases, 18 deaths), Cameroon (0 cases), Central African Republic (14 cases, 0 deaths), Côte d'Ivoire (19 cases, 3 deaths), Nigeria (58 cases, 0 deaths), Republic of South Sudan (185 cases, 18 deaths), Togo (11 cases, 3 deaths).
• Districts in alert/epidemic: Benin (districts Tanguiéta at epidemic threshold, Cobly at alert threshold), Nigeria (districts Tambuwal at epidemic threshold, Shangari at alert threshold), Republic of South Sudan (district Maban at alert threshold).
• Completeness of data: Overall 42.2%; countries range from 85.4% to 100.0%.

Cumulative Synthesis (Weeks 01-08)

• Total suspected cases: 3,310.
• Total deaths: 342.
• Lethality rate: 10.3%.
• Countries partially/fully vaccinated under MenAfriVac: Benin, Burkina Faso, Ghana, Mali, Nigeria, Sudan, Togo show varying alert and epidemic statuses.
• Notification completeness: All listed countries have reports for weeks 01-08, with some at 100.0%.

Laboratory Data

• Pathogens identified in CSF samples: Streptococcus pneumoniae (60 cases), W135 (7 cases), Haemophilus influenzae type b (9 cases).
• CSF sample collection rate: 23.0% (762 samples out of 3,310 suspected cases reported).
• Lab confirmation pending for districts that reached thresholds in Benin and Nigeria.

Graphical Representations

• Figures provided show cumulative attack rates and main pathogens, indicating high case loads in certain regions; detailed visual data includes maps and comparisons with historical years.