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Meteorological factors and El Niño Southern Oscillation are independently associated with dengue infections

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 aut...

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Hauptverfasser: Earnest, Arul (VerfasserIn) , Tan, Say Beng (VerfasserIn) , Wilder-Smith, Annelies (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 2012
In: Epidemiology and infection
Year: 2011, Jahrgang: 140, Heft: 7, Pages: 1244-1251
ISSN:1469-4409
DOI:10.1017/S095026881100183X
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Verfasserangaben:A. Earnest, S.B. Tan and A. Wilder-Smith
Beschreibung
Zusammenfassung: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.
Beschreibung:Published online: 12 September 2011
Gesehen am 15.04.2019
Beschreibung:Online Resource
ISSN:1469-4409
DOI:10.1017/S095026881100183X

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