The spatiotemporal trajectory of a dengue epidemic in a medium-sized city
Mem. Inst. Oswaldo Cruz
; 110(4): 528-533, 09/06/2015. tab, graf
Article
em En
| LILACS
| ID: lil-748863
Biblioteca responsável:
BR1.1
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.
Palavras-chave
Texto completo:
1
Índice:
LILACS
Assunto principal:
Dengue
/
Epidemias
Tipo de estudo:
Incidence_studies
/
Prognostic_studies
Limite:
Adolescent
/
Adult
/
Child
/
Female
/
Humans
/
Male
País/Região como assunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Mem. Inst. Oswaldo Cruz
Assunto da revista:
MEDICINA TROPICAL
/
PARASITOLOGIA
Ano de publicação:
2015
Tipo de documento:
Article
/
Project document