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Please use this identifier to cite or link to this item: http://repositorio.ufba.br/ri/handle/ri/19006

Title: The spatiotemporal trajectory of a dengue epidemic in a medium-sized city
Other Titles: Mem. Inst. Oswaldo Cruz
Authors: Morato, Daniela G.
Barreto, Florisneide Rodrigues
Braga, José Ueleres
Natividade, Marcio Santos da
Costa, Maria da Conceição Nascimento
Teixeira, Maria da Glória Lima Cruz
Keywords: Dengue;Epidemiology;Epidemic;Diffusion;Spatiotemporal;Trajectory
Issue Date: Jun-2015
Publisher: Fiocruz
Abstract: Understanding the transmission dynamics of infectious diseases is important to allow for improvements of control measures. To investigate the spatiotemporal pattern of an epidemic dengue occurred at a medium-sized city in the Northeast Region of Brazil in 2009, we conducted an ecological study of the notified dengue cases georeferenced according to epidemiological week (EW) and home address. Kernel density estimation and space-time interaction were analysed using the Knox method. The evolution of the epidemic was analysed using an animated projection technique. The dengue incidence was 6.918.7/100,000 inhabitants; the peak of the epidemic occurred from 8 February-1 March, EWs 6-9 (828.7/100,000 inhabitants). There were cases throughout the city and was identified space-time interaction. Three epicenters were responsible for spreading the disease in an expansion and relocation diffusion pattern. If the health services could detect in real time the epicenters and apply nimbly control measures, may possibly reduce the magnitude of dengue epidemics.
URI: http://repositorio.ufba.br/ri/handle/ri/19006
ISSN: 1678-8060
Appears in Collections:Artigos Publicados em Periódicos Nacionais (ISC)

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