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

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

A potent flu season is packing another powerful punch for area residents with cases more than tripling in recent weeks, 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 ...

A second subtype of H5 bird flu, known as D1.1, was detected in dairy cattle and infected one worker in the US state of ...

The first case of bird flu in a human in Ohio has been reported, according to officials. A farm worker from Mercer County, ...

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

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.

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

Nevada confirms its first human case of bird flu amid a growing U.S. outbreak impacting poultry, wildlife and the price of ...

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