Vaccine prevention of meningococcal disease in Africa: Major advances, remaining challenges

Africa historically has had the highest incidence of meningococcal disease with high endemic rates and periodic epidemics. The meningitis belt, a region of sub-Saharan Africa extending from Senegal to Ethiopia, has experienced large, devastating epidemics. However, dramatic shifts in the epidemiolog...

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Main Authors: Mustapha M. Mustapha, Lee H. Harrison
Format: Article
Language:English
Published: Taylor & Francis Group 2018-05-01
Series:Human Vaccines & Immunotherapeutics
Subjects:
Online Access:http://dx.doi.org/10.1080/21645515.2017.1412020
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author Mustapha M. Mustapha
Lee H. Harrison
author_facet Mustapha M. Mustapha
Lee H. Harrison
author_sort Mustapha M. Mustapha
collection DOAJ
description Africa historically has had the highest incidence of meningococcal disease with high endemic rates and periodic epidemics. The meningitis belt, a region of sub-Saharan Africa extending from Senegal to Ethiopia, has experienced large, devastating epidemics. However, dramatic shifts in the epidemiology of meningococcal disease have occurred recently. For instance, meningococcal capsular group A (NmA) epidemics in the meningitis belt have essentially been eliminated by use of conjugate vaccine. However, NmW epidemics have emerged and spread across the continent since 2000; NmX epidemics have occurred sporadically, and NmC recently emerged in Nigeria and Niger. Outside the meningitis belt, NmB predominates in North Africa, while NmW followed by NmB predominate in South Africa. Improved surveillance is necessary to address the challenges of this changing epidemiologic picture. A low-cost, multivalent conjugate vaccine covering NmA and the emergent and prevalent meningococcal capsular groups C, W, and X in the meningitis belt is a pressing need.
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spelling doaj.art-b0cc00bdf6ab456ea2c45fc933aeb8902023-09-22T08:17:53ZengTaylor & Francis GroupHuman Vaccines & Immunotherapeutics2164-55152164-554X2018-05-011451107111510.1080/21645515.2017.14120201412020Vaccine prevention of meningococcal disease in Africa: Major advances, remaining challengesMustapha M. Mustapha0Lee H. Harrison1Microbial Genomic Epidemiology Laboratory, Infectious Diseases Epidemiology Research Unit, University of PittsburghMicrobial Genomic Epidemiology Laboratory, Infectious Diseases Epidemiology Research Unit, University of PittsburghAfrica historically has had the highest incidence of meningococcal disease with high endemic rates and periodic epidemics. The meningitis belt, a region of sub-Saharan Africa extending from Senegal to Ethiopia, has experienced large, devastating epidemics. However, dramatic shifts in the epidemiology of meningococcal disease have occurred recently. For instance, meningococcal capsular group A (NmA) epidemics in the meningitis belt have essentially been eliminated by use of conjugate vaccine. However, NmW epidemics have emerged and spread across the continent since 2000; NmX epidemics have occurred sporadically, and NmC recently emerged in Nigeria and Niger. Outside the meningitis belt, NmB predominates in North Africa, while NmW followed by NmB predominate in South Africa. Improved surveillance is necessary to address the challenges of this changing epidemiologic picture. A low-cost, multivalent conjugate vaccine covering NmA and the emergent and prevalent meningococcal capsular groups C, W, and X in the meningitis belt is a pressing need.http://dx.doi.org/10.1080/21645515.2017.1412020african meningitis beltconjugate vaccinemeningococcalmenafrivacneisseria meningitidis
spellingShingle Mustapha M. Mustapha
Lee H. Harrison
Vaccine prevention of meningococcal disease in Africa: Major advances, remaining challenges
Human Vaccines & Immunotherapeutics
african meningitis belt
conjugate vaccine
meningococcal
menafrivac
neisseria meningitidis
title Vaccine prevention of meningococcal disease in Africa: Major advances, remaining challenges
title_full Vaccine prevention of meningococcal disease in Africa: Major advances, remaining challenges
title_fullStr Vaccine prevention of meningococcal disease in Africa: Major advances, remaining challenges
title_full_unstemmed Vaccine prevention of meningococcal disease in Africa: Major advances, remaining challenges
title_short Vaccine prevention of meningococcal disease in Africa: Major advances, remaining challenges
title_sort vaccine prevention of meningococcal disease in africa major advances remaining challenges
topic african meningitis belt
conjugate vaccine
meningococcal
menafrivac
neisseria meningitidis
url http://dx.doi.org/10.1080/21645515.2017.1412020
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