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

They are bracing for a brutal season, driven by a new and alarming variant that is expected to circulate widely.

A new version of the common flu is spreading globally. Virus evolutions are normal, and this one is not necessarily believed ...

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

Flu season intensifies as the new H3N2 variant causes severe illness worldwide. Experts urge vaccination, hand-washing and ...

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

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

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

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

A new flu variant is causing an early uptick in cases across the country, particularly in New York, Louisiana and Colorado.

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

In New York City, just over a quarter of children 6 months and older have received the flu shot this season. The city’s ...