The emergence of a new, mutated flu strain, H3N2 subclade K, has caused several outbreaks abroad, and some cases have been ...
A mutated strain of the flu is surging worldwide, sparking concerns about a severe flu season in the U.S. Here's what to ...
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 ...
Flu season has arrived early this year, fueled by the rapidly evolving subclade K (H3N2) variant. Learn about its symptoms, risks, and how vaccination can help you stay protected worldwide.