Originally found mostly in wild birds and poultry, H5N1 clade 2.3.4.4b, genotype D1.1, was discovered in dairy cattle last ...

Since early 2022, the H5N1 outbreak has resulted in the loss of over 157.7 million birds across the U.S. and Puerto Rico. Officials warn that with wild bird migration in full swing, poultry farms must ...

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 Michigan State University researcher says work continues to identify how highly pathogenic avian influenza transmission occurs in dairy cattle. Large animal veterinarian Dr. Zelmar Rodriguez in the ...