U.S. flu infections are showing signs of a slight decline, but health officials say it's not clear that this severe flu ...

Seasonal flu activity is up across the United States, according to the Centers for Disease Control and Prevention data.The ...

The CDC estimates that there have been 7,400 deaths, including the deaths of at least 17 children, so far this flu season.

Georgia and South Carolina among are the states hit fhardest by flu, but officials say it is not clear that the season has ...

A ferocious surge of flu cases is linked in part to a variant that has not been dominant in the past few years — resulting in ...

The U.S. is facing its worst flu season in 25 years, according to the Centers for Disease Control and Prevention, which ...

Researchers are not just worried about the virus popping up on American farms. Other types are causing trouble around the ...

Lower egg prices have subdued public discussion about bird flu. But the virus is expected to devastate farms this winter.

In a striking real-world experiment, flu patients spent days indoors with healthy volunteers, but the virus never spread.

While the new findings are encouraging, "vaccines won’t do any good if people don’t get them," one expert said.