The variant is known as influenza A subtype H3N2 subclade K–sometimes called “subclade K” for short—and it has been detected in Japan as well, where public health authorities declared a flu epidemic last month.

An urgent call for people to have a flu jab has been issued in Lincolnshire following a rise in cases. The NHS said it saw a "significant increase" last week in line with the national picture, with the highest rates being in those aged between five and 14.

A flu strain that emerged over the summer is causing "unprecedented" outbreaks in Japan, as well as in Canada and the U.K. The CDC hasn't provided insights on flu in the U.S. in nearly two months.

It is not yet clear how much of an impact these rising cases of bird flu could have on costs. As experts have said, if cases continue to surge, there could be ripple effects through the market, reaching the prices consumers pay for certain products in grocery stores.

Health officials in the United Kingdom are warning that this year’s flu season for the Northern Hemisphere is looking like it will be particularly rough—and the US is not prepared.

Scientists are warning that this winter's flu vaccine will be less effective against an emerging variant of H3N2 flu named subclade K.

A new influenza A strain subclade K is circulating due to H3N2 picking up 7 mutations this Summer. Will this lead to a worse flu season through the Winter of 2025-2026.

A new vaccine to protect dairy and poultry workers from bird flu does not require a needle and works against multiple strains of the H5N1 virus, researchers at the University of Maryland Center