2013-06-15-世界卫生组织-Meningitis_weekly_bulletin_10_-_16_June_2013_12页_1mb

Meningitis Weekly Bulletin Summary - Week 24, 2013

I. Epidemiological Situation (Week 24):

• Total Cases: 148 suspected meningitis cases reported across West African countries.
• Total Deaths: 10 deaths recorded.
• Overall Lethality Rate: 6.8%.
• Districts in Alert: Three districts were in the alert phase for Benin, Cameroon, and South Sudan.
  • Benin (Tanguieta): 5 cases, 1 death, Attack Rate (AR): 6.4%.
  • Cameroon (Messamena): 2 cases, 1 death, AR: 5.9%.
  • South Sudan (Maban): 3 cases, 0 deaths, AR: 6.6%.
• Districts in Epidemic: 0 districts reported in epidemic status.
• Completeness: Overall data completeness was 45.3%.

II. Synthesis of Epidemiological Situation (Weeks 1-24):

• Cumulative Total Cases: 11,229 suspected meningitis cases reported.
• Cumulative Deaths: 1,052 deaths.
• Overall Lethality Rate (since week 1): 9.4%.
• Countries by Vaccination Status: Countries are partially (P) or fully (T) vaccinated against meningitis using relevant vaccines.

III. Laboratory Data Synthesis (Weeks 1-24):

• CSF Samples: 2,995 samples collected (26.7% of cases).
• Primary Pathogens Identified:
  • Neisseria meningitidis (Nm) (Total confirmed cases: 2944, accounting for most positive results from various Nm-types).
  • Streptococcus pneumoniae (Spn): 325 cases identified.