Add Yahoo as a preferred source to see more of our stories on Google. The new flu variant, H3N2 subclade K, is a mutation of the common flu A subtype, which is often the flu "going around" come late ...

The CDC estimates at least 11 million illnesses from the flu so far this year, with 120,000 hospitalizations and 5,000 deaths. The dominant flu strain this year is A H3N2, which causes the most ...

Flu continues to bring misery across the US, with all but four states showing high or very high levels of activity as a new virus strain called subclade K continues to spread. By another measure – ...

TAMPA, Fla. — One week into 2026, the U.S. is ringing in the new year with a surge in flu cases across the nation due to a new variant. That variant, known as “subclade K,” led to early outbreaks in ...

A new flu variant is causing a surge in cases, with 32 states reporting "high" or "very high" activity levels. The Indiana Department of Health has reported Indiana to be at a "very high" level. The ...

Last week’s national flu tracker showed Georgia and South Carolina among the hardest-hit states, with flu levels “very high.” What will this week's map bring?

Georgia currently maintains an "extremely high" flu activity level, fueled by a new "super flu" variant. Flu-related 911 calls have spiked 60% in DeKalb County, severely straining emergency resources ...

Massachusetts is in the midst of a sharp flu surge, with cases and hospitalizations climbing faster than usual for this point in the season. State health officials say low vaccination rates and a ...