Respiratory viruses are continuing to spread across the United States and such activity "is expected to continue for several ...

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 ...

For the first time since the 2022 countrywide outbreak, bird flu hit a poultry producer in Georgia, the nation’s top state ...

The CDC announced on Thursday its recommendation to test hospitalized influenza A patients more quickly and thoroughly to distinguish between seasonal flu and bird flu.

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 against bird flu, the pharmaceutical company announced Friday.

The U.S. Centers for Disease Control and Prevention (CDC) is urging health care workers to accelerate bird flu testing for ...

The U.S. Centers for Disease Control and Prevention is urging health care workers to accelerate bird flu testing for patients hospitalized with flu symptoms.

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 U.S. is seeing a "quad-demic" as cases of COVID-19, flu, RSV and norovirus spread at the same time. Experts said this is ...

NBC News Medical Contributor Dr. Kavita Patel speaks with Gadi Schwartz about the difference in symptoms between a cold and the flu and explains the CDC's urge for faster testing to find human bird ...