Medical experts advise that people should get a vaccine for the bird flu when it becomes commercially available. One doctor ...

For influenza viruses, imperfection is a strength. They constantly mutate, producing new strains that challenge immune ...

How deadly is the bird flu? The US has reported its first death from avian influenza, H5N1. Here's what to know about bird ...

The patient, who was older than 65 and had underlying medical conditions, was hospitalized weeks ago in critical condition ...

The hospitalized teen was also given three antiviral treatments, underscoring how severe H5N1 infection can be ...

Health officials have said the person was older than 65, had underlying medical problems and had been in contact with sick ...

The recent deaths of about 200 snow geese in the Lehigh Valley have raised concerns about the harm avian influenza could cause to wild and domestic birds throughout the region. As wildlife and ...

Highly pathogenic avian influenza A(H5N1) viruses have caused widespread infections in dairy cows and poultry in the United ...

The ongoing spread of bird flu in the United States has alarmed experts -- not just because of human cases causing severe ...

Health officials have said the person was older than 65, had underlying medical problems and had been in contact with sick ...

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

The first human bird flu death was reported out of Louisiana on Monday, Jan. 6. The same case was the first serious case of H5N1 in humans in the U.S.