UW Health staff say a variant known as “Subclade K” is spreading fast across the state. This variant started in the Southern ...

A new flu variant, subclade K, is driving an uptick in cases across the U.S. and prolonging influenza seasons in other parts of the world.

A new flu variant fueling a fast-paced rise in cases across the state has brought with it some symptoms unlike those many ...

A new flu variant is spreading across the country, prompting levels of respiratory illness not seen in nearly 25 years.

WASHINGTON (AP) — Flu is rising rapidly across the U.S., driven by a new variant of the virus — and cases are expected to ...

Scientists at Pacific Northwest Research Institute (PNRI) have overturned a long-held belief in genetics: that inheriting two ...