The U.S. flu season is starting slowly, and it’s not clear if it will be as bad as last winter’s. But some health experts are ...

The mutated strain, known as subclade K, is causing a surge in cases in the United Kingdom, Canada, and Japan. Here's what to ...

A Washington state man is believed to be the first person to die from a rare strain of bird flu, but state health officials ...

A mutated strain of the flu is surging worldwide, sparking concerns about a severe flu season in the U.S. Here's what to ...

The idea that you can get the flu from the flu vaccine is a long-standing fallacy. Here’s what to tell someone who thinks ...

The United States may be heading into its second severe flu season in a row, driven by a mutated strain called subclade K ...

Last winter, for the first time since Covid-19 entered our world, influenza reclaimed its spot as the worst actor among the cast of viruses that sicken people during the cold and flu season. The ...

There are reports of this strain of the flu causing more severe illness, and early data suggest that protection against the flu from previous infections or the vaccine is “suboptimal,” according to ...

The United States may be headed for a rough flu season, with a virus that causes more severe symptoms than the one last year ...

BOSTON — Doctors are raising alarms about a newly mutated strain of the flu that could drive cases higher this season. The ...

The variant is known as influenza A subtype H3N2 subclade K–sometimes called “subclade K” for short—and it has been detected ...

Health experts recommend an annual flu vaccination for everyone older than 6 months, especially as the holiday season nears.