Doctors and researchers said the moves will make it harder to detect potentially dangerous changes. If the virus continues to ...

The Centers for Disease Control and Prevention (CDC) has ended its emergency response to the H5N1 avian flu. A spokesperson ...

The U.S. Centers for Disease Control and Prevention says it has ended its emergency response to H5N1 bird flu, citing a drop ...

In April of that year, patients started appearing at hospitals in the industrial city of Sverdlovsk, now known as ...