CLEVELAND (WJW) – It is the latest version of influenza and it has been hitting hard all across the country. The Influenza A ...

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

Flu season in the U.S. is particularly bad this year, and a new branch of the flu family tree may be to blame.

NEW YORK (AP) — The U.S. flu season appears to be waning with two straight weeks of decline in measures of flu activity, ...

Subclade K (previously known as J.2.4.1) is gaining attention because it appears to be spreading much earlier in the flu ...

Subclade K, known as the 'Super-K' flu, has spread earlier and faster than typical seasonal influenza. Early evidence ...

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

Winter and flu have become almost synonymous with each other. Now, a new flu strain is spreading across the US, leading to a ...

Flu-related pediatric deaths have doubled since last week, according to the CDC. Here's what to know this week, including ...

While data suggests the flu season may have passed its peak, caution is still advised, especially with kids back in school.

Flu-related hospital admissions are up since December and the respiratory illness season typically extends through April.

Flu activity continues to remain elevated across the U.S. with at least 18 million cases, according to newly released data ...