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.
H5N9 and H5N1 are two strains of bird flu that have recently sparked concern, especially after a significant outbreak at a ...
First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic reassortment ...
Both H5N9 and H5N1 were detected at the duck farm in Merced County, according to tests conducted by the US Department of ...
Experts stressed that the new strain did not itself appear to be an immediate human threat. But the rise of a new strain is troubling and points to the risk of a viral phenomenon known as ...
Health officials also detected a more common H5N1 strain of bird flu on the same farm which is located in Merced County, California. "This is the first confirmed case of HPAI H5N9 in poultry in ...
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