Assessing Weather Effects on Dengue Disease in Malaysia
AbstractThe number of dengue cases has been increasing on a global level in recent years, and particularly so in Malaysia, yet little is known about the effects of weather for identifying the short-term risk of dengue for the population. The aim of this paper is to estimate the weather effects on dengue disease accounting for non-linear temporal effects in Selangor, Kuala Lumpur and Putrajaya, Malaysia, from 2008 to 2010. We selected the weather parameters with a Poisson generalized additive model, and then assessed the effects of minimum temperature, bi-weekly accumulated rainfall and wind speed on dengue cases using a distributed non-linear lag model while adjusting for trend, day-of-week and week of the year. We found that the relative risk of dengue cases is positively associated with increased minimum temperature at a cumulative percentage change of 11.92% (95% CI: 4.41–32.19), from 25.4 °C to 26.5 °C, with the highest effect delayed by 51 days. Increasing bi-weekly accumulated rainfall had a positively strong effect on dengue cases at a cumulative percentage change of 21.45% (95% CI: 8.96, 51.37), from 215 mm to 302 mm, with the highest effect delayed by 26–28 days. The wind speed is negatively associated with dengue cases. The estimated lagged effects can be adapted in the dengue early warning system to assist in vector control and prevention plan. View Full-Text
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Cheong, Y.L.; Burkart, K.; Leitão, P.J.; Lakes, T. Assessing Weather Effects on Dengue Disease in Malaysia. Int. J. Environ. Res. Public Health 2013, 10, 6319-6334.
Cheong YL, Burkart K, Leitão PJ, Lakes T. Assessing Weather Effects on Dengue Disease in Malaysia. International Journal of Environmental Research and Public Health. 2013; 10(12):6319-6334.Chicago/Turabian Style
Cheong, Yoon L.; Burkart, Katrin; Leitão, Pedro J.; Lakes, Tobia. 2013. "Assessing Weather Effects on Dengue Disease in Malaysia." Int. J. Environ. Res. Public Health 10, no. 12: 6319-6334.