2012-06-02-世界卫生组织-Meningitis_Week_22,_28_May_-_3_June_2012_15页_1mb

Epidemiological Situation Week 22, 2012:

• No alerts or epidemic districts reported.
• Data reporting should continue during the post-epidemic period; zero cases should be reported.
• Laboratory identification by PCR, LATEX, or CULTURE.
• Total Cases: 199, Deaths: 18, Case Fatality Rate: 9.0%.

Epidemiological Synthesis 2012 (Weeks 01-22):

• Cumulative cases: 19,652, deaths: 1,690, case fatality rate: 8.6%.
• Burkina Faso and Gambia had the highest caseloads during the reporting period.
• Mali and Ghana reported low case fatality rates.
• Lab data delayed from Central African Republic, Ethiopia, Nigeria, DR Congo, and Senegal.

Laboratory Data:

• Most cases confirmed by PCR; common pathogens isolated were Neisseria meningitidis and Streptococcus pneumoniae.
• High coverage of N. meningitidis serogroup W135 reported.
• Lab data awaited from specific countries.

Graphical Representation:

• Maps illustrating meningitis attack rates, distribution of pathogens, and temporal trends (2011-2012) included.