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

Flu has surged to high levels across the US, straining hospitals. Experts discuss 2024-25 flu season trends, symptoms to ...

A 'quad-demic' of winter illnesses is surging throughout the South, Midwest, and parts of the Northeast US, according to the ...

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

The widening U.S. bird flu outbreak has made its way to Maryland, which has counted two cases on commercial poultry farms — ...

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

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

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