Scientists have said that the strain developed changes that make it better at spreading, triggering inflammation, and causing ...

Avian influenza A (H5N1) has mutated, so the symptoms of bird flu could change as more people get sick in 2025.

Researchers at Texas Biomed have identified nine mutations in a strain of bird flu found in a person in Texas. Bad news: This ...

Bird flu has been detected in a Georgia commercial poultry flock for the first time since a countrywide outbreak in 2022 ...

The US Food and Drug Administration said it is tracking multiple cases of H5N1 bird flu in domestic and wild cats, including ...

There have been 67 human cases of bird flu nationwide since 2024, 38 of which occurred in California, the most out of any ...

In 2024, there were 81 cases of avian flu (H5N1) in humans, the highest number since 2015. The virus is concerning due to its ...

The case of the Canadian teen and the death of a Louisiana man are stark reminders of bird flu’s capacity to ignite serious illness.

A California child was recently confirmed as the third human case of bird flu with a known source of infection. What could this mean in our fight against the disease?

The U.S. has reported its first death due to bird flu, aka H5N1. How deadly is H5N1? Experts discuss bird flu fatality rate amid ongoing outbreak.

The first human death caused by H5N1 in the U.S. was reported in Louisiana on Jan. 6. Here's what to know about bird flu.

As health officials track bird flu cases, we're getting answers about what this could mean for human transmission.