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.
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.
Highly pathogenic avian influenza H5N9 has been identified in U.S. poultry for the first time, after outbreak at a commercial ...
The first case of H5N9 bird flu strain in the US has been identified in Merced County. This strain is different from the ...
A new strain of avian influenza has been identified for the first time in the United States, raising concerns that the virus is transforming in a way that could eventually cause wider outbreaks ...
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