Federal health officials say a dairy worker in Nevada has been infected with a new type of bird flu that’s different from the ...

New strain of bird flu detected in California as H5N9 detected on a duck farm in Merced County, California, David Murray ...

A research veterinarian says an additional strain of the H5N1 virus has been found in dairy cattle, but it’s one he’s seen ...

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.