Northwest Naturals says a batch of Feline Turkey Recipe tested positive for bird flu. One cat has died in connection with the ...

A backyard flock in Vermont was sickened with H5N1, agricultural officials said on Thursday, following other reports of bird ...

The ongoing spread of bird flu in the United States has alarmed experts -- not just because of human cases causing severe ...

The agency, in its latest update released Thursday, said the mutations were not found in samples taken from wild birds, ...

Samples from a hospitalized patient in Louisiana show changes that could make the H5N1 virus spread more easily between ...

Genetic analysis suggests the bird flu virus has the capacity to mutate in ways that could make it more transmissible to ...

Scientists are issuing warnings after a bird flu patient showed mutations that could increase the transmission of the virus.

The CDC's analysis revealed changes in the hemagglutinin (HA) gene, a critical component for the virus's ability to attach to host cells. The mutations "were not found in virus sequences from poultry ...

The Centers for Disease Control and Prevention (CDC) has identified mutations in the H5N1 bird flu virus that may increase ...

A genetic analysis suggests the bird ... flu after coming in contact with sick and dead birds in a backyard flock. The person ...

A Northern California child who consumed raw milk and became severely ill did not have the bird flu virus, according to tests conducted by the Centers for Disease Control and Prevention.