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.

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

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

Cats — both large cats in captivity and pet house cats — across multiple states have been dying from H5N1 bird flu. Now, ...

A highly pathogenic avian flu has been confirmed in backyard flock in the state, according to the Connecticut Department of ...

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 US Department of Health and Human Services will award $590 million to Moderna to continue developing a vaccine to protect ...

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.

The US Centers for Disease Control and Prevention is urging hospitals to accelerate advanced testing of people they suspect ...