Abstract: The trend of global warming and the increase in imported cases were supposed to cause the reemerging and expanding of dengue fever (DF) in China. In this paper, the correlation coefficients between meteorological factors and the DF outbreaks in China were analyzed to detect the relationship between weather/climate factors and the outbreak of DF. DF outbreaks in Guangzhou, Fuzhou and Ningbo were selected to investigate the lag effect of weather factors on the outbreaks with the cross correlation analysis. Based on the temporal relationship of weather and DF outbreak, a risk map of DF outbreaks for China with suitable weather factors was drawn. Some weather variables are significantly correlated with the DF outbreaks, at a lagged time period of 8-10 weeks. The risk map demonstrates the risk areas with the climate suitable for the outbreak of DF in China, and coast areas of south and southeast China are included in the risk area.

Key words: dengue fever, meteorological factor, global warming, South China, coastal region of East China