While the risk to humans of exposure from cows or milk remains low, this new flu spillover from birds into cows raises the need for continued surveillance.

UC San Francisco's Rais Vohra, MD, explains recent increase in reported virus infections and the risks of consuming raw cow’s milk.

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 ...

Two rare bird flu strains have emerged since late January, prompting public health concerns during a freeze on federal health communications.