A new flu variant spreading overseas may set the stage for another tough winter in the United States, experts warn.

Dr. Tara Narula breaks down a new strain of flu, subclade K, which is causing concern as many people get ready to travel ...

An infectious disease expert recommends getting the seasonal flu vaccine even if it won’t stop the new, fast-mutating variant ...

A new and potentially more severe variant of the flu, known as H3N2 subclade K, has reached the United States, prompting ...

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

An early analysis suggests current vaccines may still be somewhat effective against the new version of the flu ...

For the flu, vaccination trends are a little muddier. Some sources have suggested flu vaccinations are down. Over two million ...

In Ottawa, the Children’s Hospital of Eastern Ontario has reinstated public-health measures to protect against viral spread.

The Global Virus Network (GVN), a coalition of leading human and animal virologists in more than 40 countries dedicated to ...

The variant is known as influenza A subtype H3N2 subclade K–sometimes called “subclade K” for short—and it has been detected ...