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.

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.

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

It’s not unusual historically to see high numbers of respiratory viruses floating around during this time frame,” a UNC ...

Dr. Jessica Lazerov a pediatrician at Children’s National said even if a child has had the flu, she still recommends getting the flu shot after they’ve recovered.

Flu activity remains “very high” in most states, the Centers for Disease Control said this week, as illnesses, emergency room visits and hospitalizations all continue to trend upward.

Schools around the U.S. are closing due to surges of flu and other illnesses which are sickening students and staff. Here's what parents need to know.

Adult and pediatric patients who received 2023-2024 influenza vaccines exhibited reduced risk for influenza-associated encounters across care settings.