During the first years of the COVID pandemic, elevated precautions mostly suppressed the perennial flu outbreaks that ...

The winter flu season features two types of influenza. Here's what you need to know about them and how they differ.

Flu cases soar across the US; Sacramento sees highest flu-related medical visits since 2009. Learn prevention tips and why vaccination rates matter.

If it seems as if everyone is sick, you may be right as the Centers for Disease Control and Prevention said that the flu is ...

Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.

Low vaccination rates may be contributing to the spread of flu, but data suggests the number of cases so far this season is ...

Flu infections are at or near their highest levels in at least 15 years and are still rising, the Centers for Disease Control and Prevention says.

Influenza A virus particles strategically adapt their shape -- to become either spheres or larger filaments -- to favor their ability to infect cells depending on environmental conditions, according ...

The flu is walloping every corner of Massachusetts in an unusual second surge of the season, with people reporting flu-like symptoms at rates higher than any other winter peak since before COVID ...

The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

Dairy herds in Nevada have been infected by a version of the H5N1 bird flu not previously seen in cows, putting virologists ...

For the first time since 1952, publication of the CDC's Morbidity and Mortality Weekly Report was halted. It returned on Feb.