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

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

As flu season storms through and claims its many victims, people are on high alert for classic symptoms like fever, chills, ...

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 ...

One in every three flu tests came back positive last week, according to the Centers for Disease Control and Prevention.