Please use this identifier to cite or link to this item: https://doi.org/10.1017/S095026881100183X
Title: Meteorological factors and El Niño Southern Oscillation are independently associated with dengue infections
Authors: Earnest, A. 
Tan, S.B. 
Wilder-Smith, A.
Keywords: Dengue fever
epidemiology
Issue Date: Jul-2012
Citation: Earnest, A., Tan, S.B., Wilder-Smith, A. (2012-07). Meteorological factors and El Niño Southern Oscillation are independently associated with dengue infections. Epidemiology and Infection 140 (7) : 1244-1251. ScholarBank@NUS Repository. https://doi.org/10.1017/S095026881100183X
Abstract: Our objective was to determine the association between temperature, humidity, rainfall and dengue activity in Singapore, after taking into account lag periods as well as long-term climate variability such as the El Niño Southern Oscillation Index (SOI). We used a Poisson model which allowed for autocorrelation and overdispersion in the data. We found weekly mean temperature and mean relative humidity as well as SOI to be significantly and independently associated with dengue notifications. There was an interaction effect by periods of dengue outbreaks, but periods where El Niño was present did not moderate the relationship between humidity and temperature with dengue notifications. Our results help to understand the temporal trends of dengue in Singapore, and further reinforce the findings that meteorological factors are important in the epidemiology of dengue. © 2012 Cambridge University Press.
Source Title: Epidemiology and Infection
URI: http://scholarbank.nus.edu.sg/handle/10635/108990
ISSN: 09502688
DOI: 10.1017/S095026881100183X
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