A flu variant called subclade K emerged too late to be fully covered by this year's vaccine. But the flu shot can still help protect you.

When CNN asked for your flu stories, we received hundreds of written responses from people stuck in bed, binge-watching TV, working from home and trying to keep their kids under control — all while ...

After contracting the flu, four-year-old Beckett Ware developed a rare and deadly brain inflammation called acute necrotizing ...

Hospitals in England are bracing for what could be one of the most severe norovirus winters on record, with cases surging 45% ...