Bill Stamets was on one of his regular early evening walks along 57th Street beach earlier this month when he came across a handful of dead birds clumped together near ...

The virus is spreading with greater speed among animals, with transmission to humans increasing. But risk to the general ...

With so much H5N1 circulating in the U.S., scientists worry we are a few mutations away from a potential human pandemic.

A new study says the flu A viral strain can adapt shape to stay infectious. Infectious disease doctors break down what this ...

Today, few Americans remember the 1957 bird flu pandemic – the one that sputtered out before it did real damage. Will we get lucky again?

The flu virus is changing in ways never seen before, increasing infections and raising concerns about vaccine effectiveness and public health risks.

The flu has hit Minnesota especially hard this season, sending more than 5,600 people to the hospital and threatening to help bird flu mutate and become a more serious public health risk.

More Americans may have had bird flu without suffering any symptoms, a new study finds. That could allow the virus to mutate into something more dangerous.

After a different strain of bird flu was recently found in cattle for the first time, experts reveal what this means in our fight against the virus.

Bird flu was first detected in dairy cows just under a year ago. But according to experts, the virus may have been in cattle even longer.

Each year, flu experts from around the world gather to map out recommendations for next winter's flu vaccine. This year, it's ...