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Geographic distributions of three reassortant HPAI H5N6 viruses in Mainland China and neighboring Laos and Vietnam. Provinces in which clade 2.3.4.4 HPAI H5N6 viruses were isolated in Mainland China, Laos, and Vietnam are in dark gray. Solid red squares, blue triangles, and cyan circles indicate the reassortant A, B, and C H5N6 viruses, respectively. This map was drawn using ArcGIS (ESRI) software version 9.
