The natural history of meningococcal carriage and disease

CL Trotter, NJ Gay, WJ Edmunds

Research output: Contribution to journalArticle (Academic Journal)peer-review

82 Citations (Scopus)

Abstract

The prevalence of Neisseria meningitidis carriage is highest in teenagers and lowest in young children. In contrast, invasive meningococcal disease is most common in young children with a smaller secondary peak in teenagers. Data on carriage and disease were analysed to quantify the risks of infection and disease by age and serogroup. The forces of infection for serogroups B, C, other meningococci and Neisseria lactamica were modelled together with the risk of disease given infection for serogroups B and C, using maximum likelihood to fit the models to the available data. The risk of meningococcal disease given infection declines steeply through childhood and is higher for serogroup C than for serogroup B. The secondary peak in disease in teenagers appears to be explained mostly by increased transmission although there is a suggestion that other factors may also contribute. These analyses provide important insights and may be used to guide further data collection and modelling studies.
Translated title of the contributionThe natural history of meningococcal carriage and disease
Original languageEnglish
Pages (from-to)556 - 566
Number of pages11
JournalEpidemiology and Infection
Volume134 (3)
DOIs
Publication statusPublished - Jun 2006

Bibliographical note

Publisher: Cambridge University Press

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