How are H5N9 and H5N1 different? What to know after California bird flu outbreak
The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a newer variant of the H5N1 virus. That variant is called H5N1 D1.1, the USDA spokesperson said, which has emerged over the past year to dominate U.S. cases in wild birds and poultry.
Highly pathogenic avian influenza H5N9 has been identified in U.S. poultry for the first time, after outbreak at a commercial ...
A new strain of bird flu, H5N9, has been detected for the first time in the United States, raising concerns about how it continues to spread.
Both H5N9 and H5N1 were detected at the duck farm in Merced County, according to tests conducted by the US Department of ...
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