2008-03-02-世界卫生组织-Meningitis_Week_9,_25_February_2008_to_3_March_2008_9页_544kb

Summary of Weekly Epidemiological Data for Week 9 (25 February to 3 March 2008):

• Total meningitis cases reported across various districts were 997, with 89 deaths, resulting in a lethality rate of approximately 8.9%.
• Burkina Faso reported the highest number of cases (668), with a lethality rate of 8.7%, and 9 districts were in alert status while 5 were in epidemic status.
• Other countries, such as Centrafrique, Cote d'Ivoire, and Mali, had varying case counts, with cumulative deaths and cases low in some regions.
• Mobile districts included Mangodara, Kaya, and Nioro, but notably, additional details are provided in the district-specific subtotals.

Synthesis of the Epidemiological Situation for Weeks 1 to 9 in 2008:

• Cumulative cases over the period were 5,721, with deaths amounting to 730, giving an overall lethality rate of 12.8%.
• Burkina Faso and other countries showed high incidence rates, with ongoing investigations for recurrent epidemics despite vaccination campaigns.
• Cameroon and Ethiopia remained without any reported cases, classified as silent countries.
• Comments noted the persistence of epidemics in specific districts like Bouna and Tengrela in Cote d'Ivoire, and Nm A pathogen prevalence this week.

Pathogen Identification Summary (Based on PCR, LATEX, and Culture Tests for 2008):

• Nm A was the predominant pathogen identified, with a high prevalence rate.
• For instance, Nigeria and Benin reported many cases, while other regions had sufficient lab data, but data from some districts remained insufficient.

Graphical Representations Overview:

• The bulletin included maps showing attack rates by district and comparison charts from 2007 to 2008, highlighting variations in trends across countries.