Figure 1

Overview of study area (Latvia) and GPS locations extracted from the EURL CSF/ASF wild boar surveillance database28 for (a) ASF-negative (n = 606) and ASF-positive (n = 1444) carcasses found dead and (b) randomly chosen ASF-negative animals shot dead apparently healthy (n = 9527) from 2014 through to 2021. The map was created using QGIS Desktop 3.20.231.