Known as subclade K, a new, mutated flu strain that has dominated in Europe and Asia is now rapidly spreading across the US.

A fast-moving “super flu” variant is driving a sharp rise in cases, raising fresh questions about how well this season’s ...

Changes in the key antigenic regions of H3N2 viruses suggest that the upcoming flu season may require closer attention to ...

A new version of the common flu is spreading globally, and health officials are monitoring this evolving strain of influenza ...

Health officials are warning people about a flu virus called H3N2 that is spreading in the United States and other countries ...

GPs explain why this flu strain can take longer to shake – and the simple steps that actually help you recover faster ...

Flu season in America is underway with a new variant called subclade K, recent Centers for Disease Control and Prevention ...

Influenza cases are down across the United States, but a new flu strain mutation identified in August is causing a spike in ...

An expert has pinpointed the key warning signs of influenza to watch for, as a new variant, the H3N2 strain, spreads ...

A mutated version of the influenza A (H3N2) strain dubbed ‘subclade K’ is spreading in the US and Canada after the UK. Some ...

Flu cases have soared (hospital admissions are up 50% vs this time last year) and reports say there's a new H3N2 strain. Here ...

The World Health Organization selected the components for the northern hemisphere influenza vaccine between February and ...