When it comes to the potential of H5N1 avian flu, otherwise known as bird flu, picking up mutations that may lead to human-to ...

The last time the CDC was able to tell us the number of human cases of bird flu in the US, the number stood at 67. That was ...

Dairy cattle in Nevada have been found to be infected with a new type of bird flu, distinct from the one that has been ...

A shift in the H5N1 virus has allowed it to spread more easily from birds to cows, raising concerns about its evolution.

Experts said this raises news questions about wider spread and the difficulty of controlling infections in animals and the ...