2014-12-27-世界卫生组织-Meningitis_weekly_bulletin_1_-_28_December_2014_19页_1mb

Meningitis Weekly Bulletin Summary for Weeks 49-52 (December 2014)

• Epidemiological Situation (December 2014 Week 49-52):

  • In the last week of the pre-epidemic phase, only the Bourha district in Cameroon reached the alert threshold with an attack rate of 5.3.
  • Overall, 662 suspected meningitis cases and 67 deaths were reported across 15 countries, with a case fatality rate of 10.1%. Data completeness was 92%.

• Cumulative Situation (January - December 2014):

  • A total of 21,641 suspected cases and 1,903 deaths were reported (case fatality rate: 8.8%).
  • 22 districts exceeded the epidemic threshold during 2014, notably in Ethiopia (12 districts), Nigeria (6 districts), and Benin (2 districts).
  • Compared to 2013, 2014 saw a slight increase in cases.

• Laboratory Data:

  • Only 21% of cases had laboratory samples taken.
  • Laboratory-confirmed cases were dominated by Streptococcus pneumoniae (656) and Neisseria meningitidis W135 (286).

• Comments:

  • The epidemiological situation was relatively calm in most countries except Ethiopia and Nigeria.
  • Cameroon is partially vaccinated with MenAfriVac, Burkina Faso and Gambia fully vaccinated.

• Contact:

  • Inter country Support Team - West Africa
  • Email: cabrald@who.int, djingareyh@who.int, or linganic@who.int
  • Website: http://www.meningvax.org/epidemic-updates.php