Fig. 4From: Spatial risk analysis for the introduction and circulation of six arboviruses in the NetherlandsHazard map for the establishment of West Nile virus (WNV) in the Netherlands. Locations where birds with WNV-neutralizing antibodies were caught [83] are indicated with black circles. Location 1: Amsterdam; Location 2: The Hague; Location 3: RotterdamBack to article page