As families gather for Thanksgiving, here's what to know to protect your family from the new subclade K flu strain.

There are reports of this strain of the flu causing more severe illness, and early data suggest that protection against the flu from previous infections or the vaccine is “suboptimal,” according to ...

A new strain of the flu called subclade K could make for a particularly nasty flu season across the country, according to ...

A new influenza A strain subclade K is circulating due to H3N2 picking up 7 mutations this Summer. Will this lead to a worse ...

Subclade K is a variant of H3N2 influenza, which is a familiar seasonal scourge for humanity. Last year, it was ...

N-2, also known as Subclade K, is causing significantly more symptoms in older adults and young children, Dr. Ali Raja said.

While flu levels are still low, a strain that's wreaked havoc in the U.K. and Canada is behind most cases so far in the U.S., ...

Subclade K, a variant of flu type A H3N2, has caught medical professionals off-guard. It already has spread rapidly in ...

A new type of seasonal flu virus is raising concerns among health officials as winter approaches. Here's what to know about ...

Having the flu is a lousy experience, regardless of the type you have. While news of a rough flu season ahead (spurred by subclade K) continues to make headlines, there are two main types of flu, A ...

Subclade K, a variant of the influenza A strain H3N2, is being detected in the U.S. This is the same variant that experts say ...

California could see an early and especially sharp start to the annual flu season, as a combination of low vaccination rates ...