Moderna’s mRNA flu vaccine gave more protection against illness than the standard flu shot in a phase 3 clinical trial, ...

They can cause all sorts of unpleasant symptoms. Certain symptoms, like a sore throat or fatigue, are hallmarks of all three.

Flu is rising rapidly across the U.S., driven by a new variant of the virus — and cases are expected to keep growing with holiday travel. That variant, known as “subclade K,” led to early outbreaks in ...

WASHINGTON — The flu is spreading rapidly across much of the United States this winter. Doctors say the flu can make people feel very sick and that symptoms often show up suddenly after someone is ...

In a new study researchers had five people infected with the flu mingle with 11 people who didn’t have the virus in a hotel room with limited ventilation, but a high air recirculation rate. Ultimately ...