In recent days, Pennsylvania has had two flocks hit by avian influenza, while Ohio has had nine and California has had one.

Herd of cows eating hay in a dairy farm. (STOCK PHOTO/Adobe Stock) (NEW YORK) — A second type of bird flu has been found in ...

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.