A new bird flu mutation of H5N1 has been discovered in a patient in the US state of Louisiana. Public health officials are concerned the new strain may rapidly develop, increasing its ability to ...

The UK government has taken steps to prepare for a possible bird flu outbreak by placing an order with Australia's CSL Seqirus for millions of vaccine doses. The contract covers more than 5 ...

In coming years, the bird flu may cost billions of dollars more in expenses and losses. Worse, the outbreak poses the threat ...

A new mutation and the first severe case of H5N1 bird flu discovered in a human in Louisiana has raised concern among some ...

The CDC has revealed the red flags it is monitoring for that suggest that bird flu was about to become the world's next pandemic.

So far, the H5N1 virus isn't transmitted between people — but the CDC has found a mutation in a human case "concerning." ...

Each week some revelation about bird flu seems to flutter through the news cycle. Here's what the latest research is saying ...

The virus has spread among dairy cattle, humans and other mammals. But officials say the current public health risk is low.

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the nation’s first severe ...

Amid a "concerning" new mutation in bird flu that may indicate the virus could begin to more easily infect humans, what are ...

The U.S. Centers for Disease Control and Prevention said on Thursday its analysis of samples from the first severe case of ...