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 early outbreaks in ...

Every year, flu vaccines are updated to match the flu viruses expected to circulate. For 2026, the vaccine focuses on several influenza strains that research predicts will be most prevalent. This ...

Add Yahoo as a preferred source to see more of our stories on Google. This winter’s flu season isn’t over yet, but global health authorities are already preparing for the next one. Last week the World ...

This article originally appeared on Politifact. Over the holidays, U.S. flu cases skyrocketed. Weekly hospitalizations from the virus went from under 7,000 at the start of December to over 33,000 by ...

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 ...