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

Flu cases continue to climb nationwide, with the majority stemming from the new subclade K strain dubbed the "super flu." What you need to know ...

Select gut bacteria protect mice against post-influenza virus secondary bacterial pneumonia, according to a study published ...

Groundbreaking flu transmission study reveals zero infections despite close contact between healthy volunteers and ...

This year's flu season is shaping up to be particularly brutal. Here's what to know this week, including cases taking a ...

The virus is storming the country, a reminder of how terrible its toll can be.

The CDC reduced the number of universally recommended childhood vaccines from 17 to 11, reclassifying them for high-risk ...

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

This winter, influenza does not arrive in the Gaza Strip as a passing seasonal illness, but as a complex health threat ...

Plenty of people – about 1 in 3, according to some studies — feel bad for a day or two after they get a flu shot. The most ...

The Nebraska Department of Agriculture confirmed a number of bird flu cases in the state in the past two months, including ...

Iowa researchers found flu receptors in mammary glands of multiple farm animals and humans, suggesting H5N1 could spread via ...