Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.7/42
Título: Dynamics and control of measles in Portugal: Accessing the impact of anticipating the age for the first dose of MMR from 15 to 12 months of age
Autor: Paulo, A. C.
Gomes, M. C.
Gomes, M. G. M.
Palavras-chave: measles
Portugal
mathematical modeling
vaccination
Data: Mai-2008
Citação: Paulo, A.C.,Gomes, M.C.,Gomes, M.G.(2008). "Dynamics and control of measles in Portugal: Accessing the impact of anticipating the age for the first dose of MMR from 15 to 12 months of age". Vaccine. 26(19):2418-27
Resumo: The all-time low incidence of measles in Portugal in the recent years, raises questions regarding whether the disease has been eliminated, the role of recent control measures, and the epidemiological consequences of the rise in the proportion of newborns to vaccinated mothers, as opposed to those born to mothers who acquired immunity by natural infection. We estimate the vaccination coverage against measles in Portugal. on a cohort-by-cohort basis, and incorporate this information into an age-structured seasonally-driven mathematical model aimed at reproducing measles dynamics in the past decades. The model reproduces documented trends in disease notifications and the serological profile of the Portuguese population, as estimated by a recent National Serological, Survey. We provide evidence that the effective reproduction number (R-e) of measles has been driven below 1 in Portugal, and that sustained measles elimination is crucially dependent upon the maintenance of a high (>95%) coverage with the MMR I vaccine in the future. If the vaccination coverage decreases to levels around 90% the anticipation of the first dose of the MMR I from 15 to 12 months of age, will. ensure that R-e remains below 1. (C) 2008 Elsevier Ltd. All. rights reserved
URI: http://hdl.handle.net/10400.7/42
ISSN: 0264-410X
Versão do Editor: http://dx.doi.org/10.1016/j.vaccine.2008.02.059
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