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

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

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

Influenza cases continue to mount with the virus reaching activity levels in the U.S. not seen for the last 15 years, according to the Centers from Disease Control and Prevention.

Levels of influenza nationwide are now at the highest they have been since the peak of the 2009 swine flu pandemic, according ...

(NEXSTAR) – The map of flu activity across the United States continues ... pushing the total number of pediatric deaths for ...

Cases of the seasonal flu in the U.S. have reached their highest numbers in more than a decade, according to the Centers for Disease Control and Prevention.

The flu can also cause a general feeling of fatigue or malaise, Ray says, as well as gastrointestinal issues like diarrhea ...

The report's virological surveillance indicated there have been 8,806 lab-confirmed tests this week ― an increase from last ...

The trend of closures continues across the state. Five school districts were closed in Middle Tennessee due to illness and ...

South Carolina is one of a handful of states with the highest number of flu cases in the United States, according to data ...

Health officials are monitoring two predominant strains of seasonal flu—Type A H1N1 and Type A H3N2—that are causing most of the illnesses. Map showing which states have recorded the most ...