2006-02-04-世界卫生组织-Meningitis_Week_5,_30_January_2006_to_5_February_2006_8页_762kb

报告摘要

Date Range: 30 January to 05 February 2006

Total reported cases: 350, with 46 deaths (13.1% lethality).
High burden in specific regions:
- Burkina Faso: 293 cases, 37 deaths (12.6% lethality); districts in alert or epidemic phases include Dano, Gourcy, Gaoua, Solenzo, and Bobo-Dioulasso's Sector 15.
- Benin: 12 cases, 3 deaths (25% lethality); districts Toucountouna and Boukoumbé are under alert.
  Other countries listed but with no or partial data.
Trends: The epidemic is worsening compared to previous weeks, indicated by increasing caseload and alert/epidemic phases in multiple districts.

Total cases from reported weeks: 1384, with 22 deaths (16% lethality).
High concentration in countries like Burkina Faso, Nigeria, Mali, and Niger during weeks 1–4.
Monitoring shows the situation deteriorated at week 5, with more districts facing high attack rates.

Using PCR, LEX, and culture methods:
- Dominant pathogens: Neisseria meningitidis A, Streptococcus pneumoniae, Hib, and NmW135.
- Total pathogens tested: 359 positive identifications; N. meningitidis A was the most prevalent.

Worsening trends highlighted, with districts in alert (e.g., Dano, Gaoua) or epidemic phases listed.
Graphical data (e.g., maps and weekly trend charts comparing 2005 and 2006) show cumulative case increases and varying attack rates across countries, indicating ongoing transmission.