Figure 1. Numbers of laboratory-confirmed dengue (including dengue and dengue hemorrhagic fever) cases in Taiwan, 1998–2007.
A. Spatial distributions of cumulative indigenous dengue cases. B. Biweekly number of imported dengue cases. C. Biweekly number of indigenous dengue cases in the studied areas. TN: Tainan area, including Tainan City and County; KH: Kaohsiung area, including Kaohsiung City and County; PT: Pingtung area, including Pingtung City and County. The Roman numbers denote predominant serotypes of dengue virus isolated during major epidemics in that area [10]. D. Biweekly number of imported dengue cases in the studied areas.
