"The Chinese poultry lineage may have experienced more vaccine-driven selection compared to other lineages," the researchers ...

Seven Delmarva-region commercial operations have now reported cases of the highly contagious virus.

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

The Centers for Disease Control and Prevention says hospitals treating people for the flu should test them for avian ...

The CDC on Thursday urged labs nationwide to determine within 24 hours of admission whether people hospitalized with the flu ...

When a pathogen — any organism that causes a disease — jumps species, scientists get nervous because its genetic makeup can ...

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

The CDC has revealed the red flags it is monitoring for that suggest that bird flu was about to become the world's next pandemic.

The first person has died of bird flu in the United States, the Louisiana Department of Health confirmed on Monday. The ...

Learn about the CDC's new measures for clinicians, including prompt testing for bird flu and antiviral treatment, to respond to the outbreak.

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