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

A number of bird flu cases have been reported in the Chicago area in recent weeks, leading to many questions about how quickly the virus is spreading and how worried residents should be.

To learn more about the recent bird flu outbreaks, we spoke with Asha Shah, MD, director of infectious diseases and ...

ABC News’ Linsey Davis speaks to Dr. Peggy Tseng about treating additional patients, amid what is already ... The CDC said the risk of bird flu to the general public is low, but public health ...

Concerns about bird flu are growing among health officials weeks after the first person in the U.S. died from the virus, and ...

As more cases of bird flu emerge across the country, public health leaders in New York City are watching warily -- and making ...

In an abundance of caution, the CDC last week advised hospitals and labs to do faster flu testing to help identify possible ...

The Centers for Disease Control and Prevention are monitoring the bird flu situation in the United States. Here's what to ...

Philadelphia health officials say a goose found next to Carroll Park in West Philadelphia had highly infectious bird flu.

David J. Cennimo, an associate professor of medicine and pediatrics in the Division of Infectious Diseases at Rutgers New ...

In an abundance of caution, the CDC is advising faster flu testing to help identify possible bird flu cases hiding in the flock of rising flu diagnoses.