Yahoo News provides the latest updates on the spread of bird flu in the U.S., and its effect on rising egg prices and ...

A second subtype of H5 bird flu, known as D1.1, was detected in dairy cattle and infected one worker in the US state of ...

The flu vaccine is developed using data monitored from around the world to predict what the most common strain will be. The ...

While COVID-19 is finally easing this winter, the flu is still raging across California. Following a nationwide trend, the state’s flu season is turning out to be one of the most intense in recent ...

A record number of Americans are reportedly coming down with a severe case of the Mondays after Sunday night’s Super Bowl, ...

Nevada confirms its first human case of bird flu amid a growing U.S. outbreak impacting poultry, wildlife and the price of ...

Schools in at least two states canceled classes at the start of this week amid a surge in influenza cases nationwide.

New Mexico, Texas and Nebraska are among the states with the highest number of people showing flu-like symptoms.

The recent surge in flu cases across the United States has led to significant hospitalizations and deaths, affecting millions ...

The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike ...