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

California officials warn of an increase in flu-related hospitalizations and confirm a second severe-flu-related death.

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

Even as doctor visits and hospitalizations from the flu decreased, an additional 15 children died last week. Doctors caution ...

Health experts say the U.S. flu season appears to be waning with two straight weeks of decline in measures of flu activity.

This year's flu season is shaping up to be particularly brutal. Here's what to know this week, including cases taking a ...

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

State health officials confirmed a second pediatric death associated with the flu this season. Here's what to know.

A ferocious surge of flu cases is linked in part to a variant that has not been dominant in the past few years — resulting in ...

After child flu deaths broke a record last winter, the CDC dropped its universal flu shot recommendation for kids. Here's ...

Four-year-old Ellie Rudd – who loved mud and getting dressed up and having dance parties with her brother and sisters – died January 6, after the flu and a co-infection with an adenovirus turned into ...

Michigan and 13 other states remain in the CDC's very high classification, but influenza-like illness activity is trending ...