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

Bird flu could be mutating to become more transmissible to humans, scientists have warned, as the US reported its first ...

Avian influenza has spread far beyond the nation's birds, infecting all manner of creatures from zoo animals, wild mammals, ...

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

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

The US hasn’t learned lessons from the Covid-19 pandemic that it could use to mitigate the threat of pathogens like H5N1 bird ...

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

The CDC has confirmed a total of 66 human cases of bird flu across the United States as of Friday, although the number is ...

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

The agency, in its latest update released Thursday, said the mutations were not found in samples taken from wild birds, suggesting the virus changed over the course of the patient’s ...

Here we are, on the cusp of the midway point in a decade that has been, in global health and infectious diseases terms, a lot ...