H5N1 has been the dominant grouping of strains fueling this past year's outbreaks in the U.S., with different variants of that virus spreading in wild birds, poultry flocks, dairy cattle ...

This story, like the virus it is about, continues to evolve. This article summarizes some of the recent findings and opinions that are related to the highly pathogenic avian influenza H5N1, but this ...

Dairy cows crowd a fence waiting to be milked in Ridgeway, Minn., in April 2024. Samples from each of Minnesota's 1,625 ...