As flu cases rise across the country, here is everything to know about testing yourself for the illness at home.

This is shaping up to be yet another severe flu season, fueled by a new influenza variant. Here's how to use home flu tests ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. If you think you have the flu, new research ...

Subclade K has become the dominant form of flu and is slightly different from the virus targeted by this year’s flu vaccine.

Flu cases are rising across the US as an early, intense season takes hold. Here’s how accurate at-home flu tests are, when to ...