Birds without natural immunity that migrate or roost together in large flocks, such as geese, are most likely to die in large ...

Since January 2022, there have been more than 1,600 outbreaks reported on farms and backyard flocks, occurring in every state ...

The health secretary has suggested allowing the virus to spread, so as to identify birds that may be immune. Such an ...

A United Nations health agency has called the spread of H5N1 bird flu "unprecedented" and called on world leaders to ...