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

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

More than 24 million people have had seasonal flu this season, according to estimates from the Centers for Disease Control ...

In a breakthrough for influenza research, scientists have discovered immune cells that can recognize influenza (flu) viruses ...

Newswatch 16's Kerry Kearns spoke with a doctor about bird flu and steps you can take to help prevent it. PENNSYLVANIA, USA — Cases of bird flu, or avian flu, are rising in parts of the country. The ...

The U.S. influenza rate is at or near its highest level in at least 15 years and is still on the rise, the U.S. Centers for ...

One indicator of flu activity is the percentage of doctor’s office visits driven by flu-like symptoms. Last week, that number ...

Pediatricians and healthcare providers across the United States are raising alarms after multiple critical resources on the ...

The information was not reported as it usually is by the CDC, in a weekly breakdown of flu activity called FluView, but was added to a section that focuses on respiratory illnesses in general. Trends ...

The information was not reported as it usually is by the CDC, in a weekly breakdown of flu activity called FluView, but was added to a section that focuses on respiratory illnesses in general.

According to the CDC, Bird flu is a disease caused by avian influenza A viruses that usually spread between birds, not people. Most human cases of bird flu in the U.S. have been mild so far ...

According to the CDC, Bird flu is a disease caused by avian influenza A viruses that usually spread between birds, not people. Most human cases of bird flu in the U.S. have been mild so far ...