Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

A particularly infectious subvariant of influenza is keeping emergency room numbers high and causing especially severe ...

After a sharp uptick in flu cases in mid-December 2025, flu activity across the U.S. and Canada remains high.

A new flu strain has been detected, with the variant dubbed influenza A subclade K. How severe is the strain and does the ...

UF Health epidemiologist Dr. Nicole Iovine says a highly mutated flu strain is driving increased cases in Alachua County and ...

Northeast Wisconsin, like the rest of the state and most of the country, is experiencing 'very high flu activity.' ...

Here's what to know about cases in the metro-east.

Massachusetts: After a sharp uptick in flu cases in mid-December 2025, flu activity across the US and Canada remains high.

The spike in flu cases widely referred to in media reports as a "superflu" is largely driven by a newly identified subtype of ...

WASHINGTON (AP) — Flu is rising rapidly across the U.S., driven by a new variant of the virus — and cases are expected to keep growing with holiday travel. That variant, known as “subclade K,” led to ...