A novel influenza variant called subclade K appears to be driving an uptick in cases and hospitalizations throughout the U.S.

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

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

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

Flu season in America is underway with a new variant called subclade K, recent Centers for Disease Control and Prevention ...

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

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 ...

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

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

A mutated version of the influenza A (H3N2) strain dubbed ‘subclade K’ is spreading in the US and Canada after the UK. Some ...

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

Flu cases have fallen across Scotland, dropping by 20% in the week to 14 December, official health figures show.