Fig. 1From: Sex-based differences in the distribution of Aujeszky’s disease-seropositive Japanese wild boarDistribution of Aujeszky’s disease virus (ADV)-seronegative and ADV-seropositive wild boars in Japan in 2014, 2015, and 2017, as determined by a national serosurvey. The numbers on map are Pref IDs in Table 1Back to article page