There are reports of this strain of the flu causing more severe illness, and early data suggest that protection against the ...

According to the latest U.S. Centers for Disease Control and Prevention (CDC) FluView report, reported flu activity in the ...

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

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

Last winter, for the first time since Covid-19 entered our world, influenza reclaimed its spot as the worst actor among the ...

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

A new influenza A strain subclade K is circulating due to H3N2 picking up 7 mutations this Summer. Will this lead to a worse ...

Doctors warn of new ‘mutated’ flu strain that vaccine may not be as effective against - Public health experts say people ...

Massachusetts could be headed for a sharp uptick in flu cases in the coming weeks, public health experts warn, as a newly ...

An unexpected mutation of the H3N2 influenza A virus is driving up case counts abroad, and experts are concerned it could ...

Earlier this month, a group of Canadian researchers published early influenza data for the 2025-26 season, issuing a warning: ...

Vaccine mismatches may raise severity risks this flu season. Low vaccination uptake increases overall flu transmission ...