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Sci Rep ; 8(1): 14194, 2018 09 21.
Artigo em Inglês | MEDLINE | ID: mdl-30242204

RESUMO

After the successful roll out of MenAfriVac, Nigeria has experienced sequential meningitis outbreaks attributed to meningococcus serogroup C (NmC). Zamfara State in North-western Nigeria recently was at the epicentre of the largest NmC outbreak in the 21st Century with 7,140 suspected meningitis cases and 553 deaths reported between December 2016 and May 2017. The overall attack rate was 155 per 100,000 population and children 5-14 years accounted for 47% (3,369/7,140) of suspected cases. The case fatality rate (CFR) among children 5-9 years was 10%, double that reported among adults ≥ 30 years (5%). NmC and pneumococcus accounted for 94% (172/184) and 5% (9/184) of the laboratory-confirmed cases, respectively. The sequenced NmC belonged to the ST-10217 clonal complex (CC). All serotyped pneumococci were PCV10 serotypes. The emergence of NmC ST-10217 CC outbreaks threatens the public health gains made by MenAfriVac, which calls for an urgent strategic action against meningitis outbreaks.


Assuntos
Meningite Meningocócica/epidemiologia , Neisseria meningitidis Sorogrupo C/patogenicidade , Adolescente , Adulto , Criança , Pré-Escolar , Surtos de Doenças , Feminino , Humanos , Incidência , Lactente , Masculino , Meningite Meningocócica/imunologia , Vacinas Meningocócicas/imunologia , Neisseria meningitidis Sorogrupo C/imunologia , Nigéria/epidemiologia , Sorogrupo , Streptococcus pneumoniae/imunologia , Streptococcus pneumoniae/patogenicidade , Adulto Jovem
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