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

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

Experts say a number of factors are making this flu season so severe. For one, the timing is off this season. Normally flu cases start to ramp up in October and peak in January, b ...

Nationwide hospitalizations, outpatient visits and even deaths from the flu are trending upwards, according to CDC data. The ...

The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike upward in most states, according to the Centers for Disease Control and ...

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.

Flu season is in full swing, and the rising number of illnesses has closed some schools temporarily, and forced others into ...

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

Flu cases are surging across the nation, closing nearly a dozen schools and swamping hospitals in some states.At least 24 ...

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.

Influenza cases continue to mount with the virus reaching activity levels in the U.S. not seen for the last 15 years, ...