2006-01-14-世界卫生组织-Meningitis_Week_2,_9_December_2006_to_15_January_2006_7页_752kb

MDSC Meningitis Weekly Bulletin Summary

一、第2周（2006.01.09-2006.01.15）流行病学情况

• 全球暴发国家: Benin, Burkina Faso, Burkina Faso, Cameroon, Central African Republic, Cote d'Ivoire, Ethiopia, Ghana, Mali, Niger, Nigeria, RD Congo, Tchad, Togo
• 重点关注国家: Burkina Faso, Mali, Niger, Nigeria, Togo
• 停止状态: 报告国未发现地区进入警戒或暴发阶段
• WHO定义国家: Out of 14 meningitis belt countries, only 5 are included in this week report: Burkina Faso, Cameroon, Mali, Niger, Nigeria, Togo (Actually 7 out of 11 in the belt submitted data)
• 总计门诊报告：132 cases, 21 deaths (Lethality Rate 15.9%)
• 主要病例集中在:
  • Burkina Faso：87 cases, 17 deaths (Lethality Rate 19.5%)
  • Mali：10 cases, 1 death (Lethality Rate 10.0%)
  • Niger：28 cases, 1 death (Lethality Rate 3.6%)
  • Togo：7 cases, 2 deaths (Lethality Rate 28.6%)

详细数据：

尼日利亚信息更新：2006年第2周病例情况

• Taraba State：19 cases, 2 deaths (Lethality Rate 10.5%)
• Karim Lamido LGA：9 cases in a village with 500 inhabitants
• Jalingo LGA：10 cases between 10-17 January (not confirmed)
• Wurno, Sokoto State：7 cases of meningitis caused by NmA

二、2006年首2周（第1周-第2周）疫情情况总结

总結數據

关键发现与分析

• 措辞简短：2 districts reached alert status during the first two reporting weeks
• 比较：Total cases increased but not significantly higher than standard baselines (weekly)
• 影响最小的国家：Niger had the lowest lethality rate (4.5%) and no confirmed epidemic phase during the period
• 影响最大的国家：Burkina Faso reported the highest number of cases (166) when considering the entire 14-week period

三、病原体检测结果

检测数据总结

• 重点数据：Mali reported NmA-positive cases and 3 strains of Hib out of 8 CSF specimens

图表信息概要

1. 地图热力图：Illustrates meningitis attack rates by district per country within the affected regions highlighting urban and rural health system disparities.

2. 累积发病率图：For regions showing higher weekly rates entry points into surveillance might be delayed after which the cumulative curve increases over the two weeks.

3. 趋势对比图：2005 and 2006 plot comparisons for selecting countries show:

   • Burkina Faso and Mali experienced infections peaks during the same timeframe
   • Niger case numbers increased significantly
   • No notable country-to-country trends fluctuated dramatically except pathological outliers

关键结论与行动建议（仅总结）：

• 停止状态：Current level no epidemic alert reported but surveillance is continued.
• 未来方向：Target immunization efforts particularly in Taraba State Nigeria and grassroots districts identified in Mali.
• 数据提示：High lethality rates observed in some countries could be mitigated through earlier intervention.
• 行动建议：Strengthen lab capacities to differentiate bacterial from viral causes and surveillance network to improve data reporting schedules.