Figure 1. Chikungunya and dengue outbreaks in Gabon, 2007. Distribution of the outbreak and location of the 7 towns where suspected cases have been laboratory confirmed by using quantitative reverse transcription–PCR assay are shown. Chikungunya cases are represented by red circles, dengue cases by blue circles, and cases negative for the viruses by green circles. Testing methods are described in the footnote to the Table.