Add Yahoo as a preferred source to see more of our stories on Google. A fast-spreading new flu strain is gaining a reputation as a monstrous “super flu.” The mutation of influenza A(H3N2) called ...

Flu is surging across most of the U.S. But, amid an early, harsh season, there is a glimmer of promising news: The flu shot may be more effective than experts predicted. Early evidence shows that this ...

After the U.S. withdrew from the World Health Organization, it wasn't clear they would participate in this WHO-led meeting to ...

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 ...

U.S. flu cases are surging partially because of a new strain named "subclade K," that is not well covered by this year’s flu vaccine. Doctors still recommend getting the flu vaccine as it can reduce ...

Flu has overtaken covid in infections and hospitalizations during the winter respiratory virus season, and their virulence is ...