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. 2017 Dec;23(12):1974–1981. doi: 10.3201/eid2312.171062

Figure 1.

Figure 1

Geographic distribution of wild and captive birds and commercial poultry infected with highly pathogenic avian influenza A virus, the Netherlands, 2016. A) Location of dead wild birds infected with highly pathogenic avian influenza A virus subtypes H5N8 and H5N5; B) location of commercial poultry farms and captive birds infected with H5N8; C) location of H5N8-affected commercial poultry farms (open triangles), with the most identical wild bird viruses (open circles) shown in similar colors (wild bird virus isolates used for this analysis are numbered 1–10; Technical Appendix 1 Table 2); D) location of H5N8 viruses with gene segment PA I and PA II for commercial poultry farms and captive bird holdings and wild birds. Also shown are the H5N5 viruses isolated in Groningen and Werkendam. EW, Eurasian wigeon; Go, gray goose; Ma, mallard; PA, polymerase acidic; TD, tufted duck.