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 ...
Nearly 119,000 birds have been culled at a farm in California after a bird flu called H5N9 was detected among the poultry.
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 ...