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

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

A pandemic is not inevitable, scientists say. But the outbreak has passed worrisome milestones in recent weeks, including ...

Egg prices have more than doubled over the last two years as a dangerous strain of bird flu has swept across the country.

According to the U.S. Centers for Disease Control and Prevention (CDC), there have been at least 12 million flu infections since the fall in the U.S., leading to 160,000 hospitalizations and 6,600 ...