2005-05-07-世界卫生组织-Meningitis_Week_18,_2_May_2005_to_8_May_2005_8页_744kb

Summary of WHO MDSC Meningitis Surveillance Report for Week 18, 2005

Epidemiological Situation for Week 18

• Report Period: May 2–8, 2005.
• Key Countries: Benin, Burkina Faso, Mali, Niger, Tchad, Togo showed reported cases.
• Total Cases: 124 cases reported across countries.
• Fatalities and CFR: 22 deaths with a case fatality rate (CFR) of 17.7%.
• Alerts: Tchad's district Oum Hadjer reached the alert threshold with 7 cases and an attack rate of 5.3 cases per 100,000 inhabitants. No deaths reported in this district.
• Other Notes: Burkina Faso and Mali had 100% completeness in data for their districts; Niger and Nigeria had varying completeness.

Cumulative Situation from Week 1 to Week 18

• Total Cases: 9683 cases reported.
• Fatalities and CFR: 1491 deaths with a CFR of 15.4%.
• Alerts/Epidemics: 2 districts reached epidemic threshold, and 3 reached alert threshold.
• Overall Status: The epidemiological situation remained calm.

Laboratory and Additional Data

• Pathogen Identification: Data from table 3 shows pathogens identified using PCR, Latex, and Culture; total pathogens identified were high, especially in countries like Niger and Chad.

Graphical Representations

• Maps and charts show district attack rates and trends, but no specific details are provided here.

Comments

• Data from Chad updated cumulative figures, indicating ongoing surveillance.
• Overall, no major outbreaks reported.