2024-01-13-世界卫生组织-Meningitis_Weekly_bulletin_8_to_14_January_2024_16页_1mb

Bulletin Overview: The Meningitis Weekly Bulletin for week 02 (January 8-14, 2024) reports epidemiological data from 20 countries, with total 235 suspected meningitis cases and 21 deaths (case fatality rate: 8.9%). Data completeness is 54.7%.

Weekly Epidemiology: No districts crossed the epidemic threshold, but 5 districts remained or crossed alert thresholds across Benin, Ghana, Nigeria, and Chad. Cotonou I (Benin) had the highest attack rate (7.9), Nandom district (Ghana) remained alert with an attack rate of 5.6, and several regions in Nigeria and Chad reported alerts or active cases.

2023 Summary: For weeks 01-02, 2023, a total of 681 suspected meningitis cases were reported, with 39 deaths and a CFR of 5.7%. This includes cases from 22 countries, with no epidemic outbreaks reported.

Laboratory Data: In week 01-02, 2024, 7 countries shared laboratory results from 184 samples. The main pathogens identified are Streptococcus pneumoniae (6 cases), Hib (2 cases), and non-type b Haemophilus influenzae (1 case). Countries are urged to improve lumbar puncture practices and laboratory systems.

Vaccination Efforts: The MenAfriVac vaccine has been successful, with no confirmed meningococcal serogroup A cases in the African meningitis belt since 2018, following 24 mass vaccination campaigns and 15 routine introductions. Efforts to sustain impact through routine immunization continue.