Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

A new aggressive H3N2 subclade K flu strain is causing widespread illness in the United States, raising concerns over vaccine ...

Flu symptoms in 2026 include fever, cough, sore throat, body aches, fatigue and more as flu activity rises across the U.S.

Here are five infectious diseases to keep an eye out for in 2026: Flu season is already well underway, with a new variant ...

Doctors warned that the highly contagious 'super flu' variant is bringing harsher symptoms, with more intense fevers being ...

State health officials confirmed a second pediatric death associated with the flu this season. Here's what to know.

The latest federal data shows Florida is now in the top tier of “very high” flu activity. Here's the four reasons why.

If you test positive for the flu at your doctor’s office or with an at-home influenza test kit, there are many treatments.

Among the most famous demonstrations of genetic mutations driving infection outcome is severe combined immunodeficiency (SCID ...

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

Americans also differ in what they consider the strongest drivers of scientific progress. Democrats (71%) say colleges and ...

The United States is seeing a massive surge in flu cases this winter, many of them attributed to the so-called "super flu." ...