Risky areas in August in years 2002–2007. Figure 3A is for July; Figure 3B is for August; 3C is for September, and 3D is for October. The background image in each graph is an ASTER image with a false color composite (Band 7 in red, Band 3 in green, and Band 1 in blue).
Liu et al. International Journal of Health Geographics 2008 7:66 doi:10.1186/1476-072X-7-66