
On April 21, 2008, four whooper swans were found dead at Lake Towada, Akita prefecture, Japan. Highly pathogenic avian influenza virus of the H5N1 subtype was isolated from specimens of the affected birds. The hemagglutinin (HA) gene of the isolate belongs to clade 2.3.2 in the HA phylogenetic tree.
H5N1 subtype, Influenza A Virus, H5N1 Subtype, R, Dispatch, dispatch, Infectious and parasitic diseases, RC109-216, phylogeny, Influenza in birds, Japan, Anseriformes, Influenza in Birds, Medicine, Animals
H5N1 subtype, Influenza A Virus, H5N1 Subtype, R, Dispatch, dispatch, Infectious and parasitic diseases, RC109-216, phylogeny, Influenza in birds, Japan, Anseriformes, Influenza in Birds, Medicine, Animals
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