State health officials are seeking to confirm the vaccine status of the four self-reported cases, but no mutations of the ...

A new study led by recent undergraduate student Caitlyn Nojiri and co-authored by astronomy and astrophysics professor Enrico ...

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

A new strain of avian flu, H5N1, has spread to dairy cows and domestic cats in the U.S., with a dairy worker in Nevada ...

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

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

Influenza A Viruses Adapt Shape in Response to Environmental Pressures - NIH Study Identifies Previously Unknown Adaptation ...

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.

A virus originally found in animals, mpox -- which causes the disease of the same name -- is now circulating in humans. Since 2022, it has been the cause of major epidemics spreading outside endemic ...

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.

A virus originally found in animals, mpox – which causes the disease of the same name – is now circulating in humans.

The virus often mutates by simply deleting small pieces of its genetic code. The mutations "disguise" the virus from antibodies.