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

Here’s what to know about the United States’ first confirmed severe case of H5N1 avian influenza—and how to protect yourself.

In an unprecedented turn of events, H5N1 began infecting dairy cattle for the first time globally in early 2024.

Growing concerns surrounding the transmission of H5N1 bird flu. The CDC reports that samples collected from a severely ill ...

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

A sample of the virus found in a critically ill patient in the US has shown signs of mutating to better suit human airways, ...

The CDC warns samples of the bird flu virus show signs of mutations that could make it more transmissible to humans. The CDC says it appears the H5N1 virus contained mutations in the Louisiana patient ...

There's a new concern that the virus could evolve to spread from human to human.

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

ALEXANDRIA, La. (KALB) - The bird flu virus in a patient in Louisiana has likely mutated while they were in the hospital.

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