A virologist explains that why this probably isn’t the big one — but that it’s a sign of bad things happening with the virus.

The patient in Louisiana who was hospitalized with severe bird flu illness was found to have a mutated version of the virus.

The Biden administration should approve a vaccine for the H5N1 bird flu virus, according to a former state health ...

Federal health officials say that not only has a Louisiana resident contracted the first severe case of bird flu in the U.S., ...

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the first severe case of the ...

The CDC said Thursday its analysis of samples from a Louisiana patient with bird flu showed mutations not seen in samples ...

A genetic analysis of viral samples from a patient in Louisiana hospitalized with the first severe case of bird flu showed ...

Federal health officials have confirmed unsettling new details about the first United States case of severe bird flu, ...

The virus is spreading among animals, while viral mutations raise concerns about potential adaptation to human hosts.

The CDC said that testing of a person with a severe case of bird flu indicated the virus had mutated but the risk remains low ...

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