Fig. 1
From: Seroprevalence of Brucella suis in eastern Latvian wild boars (Sus scrofa)
Average density of infected wild boars estimated as serologically positive animals per 100 km2 (2015). Regions: 1—Erglu, 2—Ilukstes, 3—Mazsalacas, 4—Smiltenes, 5—Salacgrivas, 6—Valkas, 7—Madonas, 8—Plavinu, 9—Strencu, 10—Preilu, 11—Kokneses, 12—Kraslavas, 13—Zilupes, 14—Vilanu, 15—Kocenu, 16—Dagdas, 17—Limbazu, 18—Alojas, 19—Aluksnes, 20—Ciblas, 21—Ludzas, 22—Karsavas, 23—Aknistes, 24—Gulbenes, 25—Aglonas, 26—Rugaju, 27—Vilakas, 28—Riebinu, 29—Daugavpils, 30—Livanu, 31—Rezeknes, 32—Balvu, 33—Krustpils, 34—Varkavas, 35—Apes, 36—Beverinas, 37—Burtnieku, 38—Baltinavas, 39—Rujienas, 40—Nauksenu