Prediction of annual dengue incidence by hydro-climatic extremes for southern Taiwan

  • Hsiang-Yu Yuan
  • Tzai-Hung Wen
  • Yi-Hung Kung
  • Hsiao-Hui Tsou
  • Chun-Hong Chen
  • Li-Wei Chen
  • Pei-Sheng LinEmail author
Original Paper


Dengue is one of the most rapidly spreading mosquito-borne viral diseases in the world. An increase in the incidence of dengue is commonly thought to be a consequence of variability of weather conditions. Taiwan, which straddles the Tropic of Cancer, is an excellent place to study the relationship between weather conditions and dengue fever cases since the island forms an isolated geographic environment. Therefore, clarifying the association between extreme weather conditions and annual dengue incidence is one of important issues for epidemic early warning. In this paper, we develop a Poisson regression model with extreme weather parameters for prediction of annual dengue incidence. A leave-one-out method is used to evaluate the performance of predicting dengue incidence. Our results indicate that dengue transmission has a positive relationship with the minimum temperature predictors during the early summer while a negative relationship with all the maximum 24-h rainfall predictors during the early epidemic phase of dengue outbreaks. Our findings provide a better understanding of the relationships between extreme weather and annual trends in dengue cases in Taiwan and it could have important implications for dengue forecasts in surrounding areas with similar meteorological conditions.


Dengue outbreak Dengue prediction Extreme weather Minimum temperature Maximum rainfall 


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Copyright information

© ISB 2019

Authors and Affiliations

  1. 1.Department of Biomedical SciencesCity University of Hong KongKowloon TongHong Kong
  2. 2.Department of GeographyNational Taiwan UniversityTaipei CityTaiwan
  3. 3.National Mosquito-Borne Disease Control Research CenterNational Health Research InstitutesZhunaTaiwan
  4. 4.Institute of Population Health Sciences, National Health Research InstitutesZhunaTaiwan
  5. 5.Institute of Infectious Diseases and Vaccinology, National Health Research InstitutesZhunaTaiwan

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