Incidence and reproduction numbers of pertussis

June 22, 2010

Analyses of serological and social contact data from five European countries by Mirjam Kretzschmar and colleagues show that childhood vaccination against Bordetella pertussis (whooping cough) has shifted the burden of infection from children to adolescents and adults. Adolescents and adults rarely develop severe pertussis

Two new statistical methods were used to estimate the incidence and basic reproduction number of pertussis. The authors used cross-sectional data on the seroprevalance of antibodies to pertussis toxin and cross-sectional data on social contact patterns from 5 countries. The results of this study suggest that in countries with high childhood vaccine coverage, adolescents and young adults are reservoirs for asymptomatic pertussis infection.

The researchers suggest pertussis could be eliminated if a vaccine or vaccine schedule could be developed that provided life-long protection against pertussis.
-end-
Funding: This study formed part of POLYMOD, a European Commission project funded within the Sixth Framework Programme, contract number: SSP22-CT-2004-502084. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Competing Interests: The authors have declared that no competing interests exist.

Citation: Citation: Kretzschmar M, Teunis PFM, Pebody RG (2010) Incidence and Reproduction Numbers of Pertussis: Estimates from Serological and Social Contact Data in Five European Countries. PLoS Med 7 (6): e1000291. doi:10.1371/journal.pmed.1000291

IN YOUR COVERAGE PLEASE USE THIS URL TO PROVIDE ACCESS TO THE FREELY AVAILABLE PAPER: http://www.plosmedicine.org/article/info%3Adoi%2F10.1371%2Fjournal.pmed.1000291

PRESS-ONLY PREVIEW OF THE ARTICLE: http://www.plos.org/press/plme-07-06-kretzschmar.pdf

CONTACT:

Mirjam Kretzchmar
The National Institute for Public Health and the Environment
Centre for Infectious Disease Control
Bilthoven
Netherlands
+31-30-2744021
mirjam.kretzschmar@uni-bielefeld.de

PLOS

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