Fig. 4From: GIS-supported epidemiological analysis on canine Angiostrongylus vasorum and Crenosoma vulpis infections in Germany a Number of Angiostrongylus vasorum-positive years per postcode district. If a postcode district contained at least one positive sample within one year, the year and district was regarded as positive. b Number of Crenosoma vulpis-positive years per postcode district. If a postcode district contained at least one positive sample within one year, the year and district was regarded as positiveBack to article page