A relatively new form of H3N2 identified this year called Clade K has resulted in increased cases, says Andy Pekosz of the Johns Hopkins Bloomberg School of Public Health.

As Christmas travel accelerates, health authorities in the US, Canada and the UK are tracking a fast-spreading super flu ...

Influenza season is getting an early start in New York City, with doctors reporting a sharp jump in cases weeks sooner than normal.

The world's leading authority on food crises says the spread of famine's been averted in Gaza yet the situation remains ...

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

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

The flu virus is hitting New York City hard, according to data published Thursday by the New York City Health Department. As ...

Flu season hits New York hospitals as cases and hospitalizations rise sharply, straining emergency and pediatric care at Northwell Health.

It’s been nearly a week since someone killed two students and wounded nine others inside a Brown University classroom before fleeing, yet investigators apparently still don't know the ...

According to the latest results, influenza A — a common strain of seasonal flu — is showing up at high levels in Bay Area wastewater. Hotspots include San Jose, Palo Alto, Fremont, San Francisco and ...

Ahead of the holiday tourist rush, city health officials in New York City reported nearly 14,000 flu cases in the first week ...

Cities across the nation are being hit with a new variant of influenza called subclade K, which has been dubbed a "super flu.