Figure 2From: Spatial epidemiology of porcine reproductive and respiratory syndrome in ThailandOutbreak clusters identified by the spatial cluster analysis. The six clusters of PRRS in Thailand in 2010 identified using the spatial scan statistic (left map) were located in the South-East of region 3 (second period), the West of region 2 (first and second periods), the South-East of region 8 (first and second periods), the South-West of region 4 (first and second periods), the North-East of region 6 (second period), and the North of region 4 (first period). The provinces where these clusters occurred in 2010 are indicated in grey (right map).Back to article page