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Meteorological factors and El Niño Southern Oscillation are independently associated with dengue infections
Institute of Public Health, University of Heidelberg, Germany.ORCID iD: 0000-0003-0362-5375
2012 (English)In: Epidemiology and Infection, ISSN 0950-2688, E-ISSN 1469-4409, Vol. 140, no 07, 1244-1251 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2012. Vol. 140, no 07, 1244-1251 p.
National Category
Public Health, Global Health, Social Medicine and Epidemiology
URN: urn:nbn:se:umu:diva-53186DOI: 10.1017/S095026881100183XPubMedID: 21906411OAI: diva2:510192
Available from: 2012-03-15 Created: 2012-03-15 Last updated: 2015-04-29Bibliographically approved

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Wilder-Smith, Annelies
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