The D1.1 strain of H5N1, now spreading in dairy herds, has a mutation that enhances replication in mammals. Could this be a ...

In prior bird flu outbreaks, there’ve been several documented cases of feline-to-feline spread, but ingestion seems to be the ...

The Public Health Agency of Canada said Wednesday it's purchased 500,000 doses of a human vaccine to protect against avian ...

Animal and Plant Health Inspection Service (APHIS) has announced an additional six states are enrolling in the National Milk Testing Strategy (NMTS). This brings the total number of states testing ...

A second genotype of bird flu appears to have spread from birds to cows, and now from cows to humans. © Peter Wade via Getty H5N1 bird flu is branching out. New data ...

Bird flu is changing rapidly, increasing the chances of more humans getting sick. Arizona must do more now to contain the ...

The outbreak of bird flu that began in the United States in 2022 among wild birds and poultry has since spread to dairy ...

One person in Louisiana died from the infection. It is not clear whether she was infected with the D1.1 version of the H5N1 virus, which is now widespread in wild birds, poultry and cattle herds i ...

New York's Department of Agriculture is responsible for safeguarding the state’s livestock against the virus known as H5N1 ...

As bird flu, also known as H5N1, spreads across the country, experts are concerned about the potential for undetected transfer and mutations.

The Hawaii Department of Health is inviting Hawaii residents with backyard flocks or involved in bird rescues to participate ...