Learn more about how a vaccine could help prevent the spread of the avian flu virus but may also cause the virus to evolve ...

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

Over 160,000 people this season have landed in the hospital from flu complications, CDC estimates. More than 6,600 have died.

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

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

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

Every fall and winter, medical professionals preach the same message: Get your flu shot. While getting the flu shot always ...

Avian flu is a common illness among birds, but it can spread to humans and other mammals. The virus is shed through ...

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

Atlantic Canada is still bracing for a peak in flu cases, while rates are beginning to stabilize or decline in other parts of ...

According to the CDC, the flu virus is leading the way in both Illinois and Missouri in the high categories. Dr. Kevin ...