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Geographical locations of HPAI H5-viruses detected and sequenced in the Netherlands (A) at commercial poultry farms (squares) and captive bird facilities (triangles) and (B) in dead wild birds (circles). The subtypes of viruses detected are marked: H5N8 (blue), H5N1 (green), H5N3 (orange), H5N4 (purple), and H5N5 (brown).
