Doctor's visits for flu symptoms are at a 15-year high. Why is this flu season so bad? Doctors discuss flu severity, symptoms and how to stay safe.

If it seems as if everyone is sick, you may be right as the Centers for Disease Control and Prevention said that the flu is surging.

The winter flu season features two types of influenza. Here's what you need to know about them and how they differ.

Flu cases soar across the US; Sacramento sees highest flu-related medical visits since 2009. Learn prevention tips and why vaccination rates matter.

Are people at risk for bird flu? How can I protect myself? Bird flu’s risk for the general public is still low, with no signs ...

Flu infections are at or near their highest levels in at least 15 years and are still rising, the Centers for Disease Control and Prevention says.

Flu-related hospitalizations are at an all-time high as the virus continues to surge across the state.

Nasal sprays can provide relief from flu symptoms by reducing nasal congestion and inflammation, making it easier to breathe.

The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

The newer strain had been seen before in more than a dozen people exposed to poultry, but this is the first time an infection was traced to a cow. The Nevada dairy worker was exposed at a farm in ...

Winter flu season in the US is at its most severe in 15 years, with over 24 million cases and 13,000 deaths, including 57 ...

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