2007-02-24-世界卫生组织-Meningitis_Week_8,_19_February 2007_to_25_February_2007_8页_506kb

报告摘要

Week 8 cases (Feb 19-25, 2007): Total cases reported across countries: 1,112; deaths: 101; case fatality rate (CFR): 9.1%.
Countries with notable cases: Burkina Faso (840 cases, 63 deaths, CFR 7.5%), Nigeria (27 cases, 4 deaths, CFR 14.8%), Mali (25 cases, 3 deaths, CFR 12.0%), and others.
Alert and epidemic districts: Burkina Faso had 10 epidemic districts and 13 alert districts; Nigeria had 1 epidemic district (Birni Magaji Kiyaw) and 1 alert district (Kurfi). West African meningitis belt countries accounted for most cases, excluding Democratic Republic of Congo outside this zone.

Total cases and deaths: 5,935 cases and 681 deaths overall; case fatality rate 11.5%.
Regional trends: Burkina Faso contributed the most cases (3,625); Mali, Benin, Chad, and Côte d'Ivoire each had 1 district in alert phase. Cumulative CFR varied by country, with Ghana (35.3%) and Côte d'Ivoire (21.5%) experiencing higher rates.

Week 8 data: Burkina Faso primarily identified Neisseria meningitidis A (most tests positive); Benin and Niger had higher detections of Streptococcus pneumoniae.
Overall 2007 tests: Total pathogen tests: 401 (via PCR, Lateral Flow Assay, or Culture); N. meningitidis A was common in Burkina Faso.

Maps illustrating district-level attack rates for week 08, 2007, showing regions with high incidence.
Cumulative attack rate map for weeks 1-8, highlighting districts with peak rates based on annual data.

Countries with available data (e.g., Nigeria and Ghana) showed seasonal variations; Nigeria peaked in week 08 with over 50 cases; Ghana displayed fluctuations throughout the year.

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