Known as subclade K, a new, mutated flu strain that has dominated in Europe and Asia is now rapidly spreading across the US.

The number of flu patients in hospital in England has risen by 18%, following a 55% increase the week before. Other UK-wide ...

Last year’s flu season was the roughest in nearly a decade. “We generally don’t have two bad flu seasons back to back,” said ...

Experts share tips to protect children and family members from the flu -- including the subclade K variant -- ahead of the ...

Flu season arrives with the holidays, as parties and travel kick into high gear and colder weather sets in across many states ...

Tis the season for sniffling, coughing and calling out of work. Here's what to know about the pathogens circulating in the ...

Scientists have warned H5N1 bird flu could make a dangerous leap to humans, triggering a global health crisis.

Less than 40% of children have gotten a flu shot this year, according to CDC data. That’s lower than this time during the ...

With Christmas just a week away, doctors are warning about the so-called "tripledemic" surging across New York. According to ...

A Twin Cities metro area school shifted to e-learning after a flu outbreak impacted nearly a quarter of its students. A ...

Moderna will get up to $54.3 million in funding from a global coalition to support late-stage development of its experimental ...

The Colorado Department of Public Health and Environment has confirmed its first influenza-associated pediatric death of the ...