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.

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

A California duck farm has culled thousands of birds as the virus seems to be trading genetics with other viruses ...

A new variant of the H5N1 bird flu — the same one that led to the death of a Louisiana man — has for first the first time ...

That scenario is caused by “reassortment,” the exchange of genetic material when hosts are infected with multiple versions of a virus. The U.S. Agriculture Department’s Animal and Plant ...

Should We Worry About a Dangerous Mutation? Outbreak of Highly Pathogenic H5N9 Avian Flu Identified in ... Continue Reading → ...

A newly identified strain of bird flu, H5N9, discovered at a California duck farm, has prompted concerns about the possibility of a larger outbreak, The Washington Post reported Jan. 29. Health ...

A new strain of highly pathogenic bird flu (H5N9), which has never been seen in the United States before, was recently discovered on a duck farm in ...

The finding at a California duck farm is raising alarms among public health experts that bird flu could further mutate into ...